This thread makes me miss Morrowind, the golden age of RPG storytelling.
In any case, there's something very funny about modding communities taking themselves so seriously, demanding to be "credited for their work", asking for money, and so on. I just can't understand it. I have heard every legal and social argument under the sun for this one but at the end of the day, no matter how elaborate your mod was, you're still doing the equivalent of writing Sonic the Hedgehog fanfiction. You can't really elevate it to a level beyond that and all efforts to do so are futile.
I suppose back in the days of Morrowind this was more true (Morrowind was one of the more original works in any field to be produced in the last twenty or thirty years and you were arguably dicking with something a lot more creative and distinctive than its successors) but post-Oblivion, you're still not that much better off trying to act like an artistic genius because you can work with basic modding tools.
Skyrim's community somehow degenerated even further than Oblivion's which is rather impressive.
As someone who has seen most aspects of the modding community in general, I can tell you where you will likely find the biggest modder cows.
In order from least to greatest:
The least cowish of them all would be utility and modder resource makers for games. They tend to be more focused on producing a working utility or resource for other modders to use, and generally want to provide a tool or resource instead of attention whoring. It's very rare for anyone who makes these sorts of mods to be a jackass.
Bugfix modders are a little higher on the potential cow scale. Most tend to be more about fixing bugs and that's it, but some, like Arthmoor, can be kinda cowish when it comes to things they believe should have always been there or were things they deemed bugs in need of fixing. Aside from that, bugfix modders are like utility makers, they usually shun being drama whores.
Mods that add stuff to games (lore friendly or not) are potential sources of cowdom, especially if they are butthurt people don't like it or they produce the mod with a chip on their shoulder and chimp out badly if they get negative reviews. Thankfully, the majority are like 'don't like, don't download" and leave it at that.
Texture modders, especially those that make large texture conversions, these guys can be occasional sources of milk, especially if it's a polarizing mod that makes a lot of controversial changes, like makes a snowy area tropical looking, but most are generally "don't like, don't download" types as well.
We approach semi-regular cowdom with the body/nude modders, though oddly it's the prudish types who tend to be the bigger lolcows, like the ones who de-sexify armor or bodies or what have you. The other side of the scale are the fetish perverts who flip out when people shit on their mods and they tard rage over the criticism, though a fair amount of these types either hang out on adult mods sites anyway or admit it's their personal taste, they don't want to hear if it offended you, just please skip over their mods if they aren't your thing.
Sex modders, this is where it gets a bit schizophrenic. Some are actually surprisingly mature, like the guy who did the "Animated Prostitution" mod for Skyrim, who basically told the sick fucks he was NOT gonna make any bestiality/pedo stuff, he would defer to the Nexus mods discretion in all cases, and that while he was happy to lend tech support, he did not want to get shit on for making a sex mod, he just asked people who didn't like it to just pass it by. On the other hand, most of the Nexus exiles who wound up on either Loverslab or its even more extreme cousin, the Undertow forums, those types tend to be into some really deviant fetish stuff, and while they can be civil when surrounded by likeminded modders, a lot of these types got kicked off the Nexus for being told to tone it down or not host their stuff on the Nexus, and many of them didn't take kindly to being told no.
On the adult modding sites, it gets even fuzzier. Loverslab, as mentioned earlier, has a strict no pedophilia content rule, and while they'll indulge every other fetish they can legally make mods of, they tend to try to act like adults most of the time and keep the drama down to minimum, oddly enough.
Undertow is basically the even more perverted and less mature cousin to LL if you ask me, and unlike Loverslab, they are much less stringent on at least trying to act like adults. It doesn't help the Undertow forums have a disturbingly high amount of mods for beating and torturing people, something I noticed even Loverslab tend to shy away from, or at least doesn't focus on half as much.
However, I've found the lore-whore modders to be really big cows, like when Arthmoor INSISTED on the Oblivion Gate remains being in his mods for "realism", and while he's a pretty decent bugfixer, he's a definite drama whore over lore stuff. On a related note tend to be the "epic" mods, like Falskaar, which adds a massive, DLC sized landmass to Skyrim, but strangely I found the people who take sides over where it's good or bad to sometimes be bigger cows than the actual modders, and if you don't believe me, go check the comments where some have waged war on each other over the quality.
The worst, though, are the political/SJW modcows. One modder for FFX-2 (PC version) made the female characters have more conservative outfits, and while it was of rather good quality, she raised a lot of SJW-styled stink over it. Their political opposites aren't much better, especially if they are trying to be serious, like one modder who made a derogatory mod about some SJW (I believe it was an insulting depiction of them in Fallout 4 you could set up as a decoration) that the Nexus later took down, which caused a lot of people to mirror it and whine about suppression of free speech.