"Coomers" aren't seriously saying every game character needs to be a "plastic porn star". It's that devs should have the freedom to make "plastic port stars", and gamers should have the option to play that game, without censorship, browbeating, and blacklisting.
And for context, "plastic porn star" is "woman who doesn't look like a man and shows more than an inch of skin". Here's the video referenced, and it shows the "controversial" video. Craigs rant three minutes in perfectly shows the core of the argument.