The internet was never particularly "edgy."
The time period oldfags stroke themselves over was the era of rage comics and lolcats.
All the "epic wins" of that period were only possible because 90% of the population, including those running a lot of the platforms, were internet illiterate so it was easy to make waves with just a couple dozen people.
Examples:
Habbo Hotel
Oprah's "over 9000 penises"
"Who is this Four Chan?"
Hitler did nothing wrong
etc. You get the idea.
Not to mention the standard nostalgia thing where people are looking at all the shit that happened over the span of like 10 years and mentally compressing it as if stuff like that was happening all the time when it was really more "once in a blue moon" not much different than today.