Earlier quoted context omitted.
The way you know 4chan is the counterculture is every time someone releases a new generative art tool, 4chan figures out a way to do stuff with it that makes the creators have to restrict and/or shut it down. Like in the 1960s how the mainstream culture would whisper under their breath and point in shock and horror at hippies and try to get them banned from various public venues, and send mobs to beat them up, we hav…
Being antisocial is not the same thing as being counterculture. There’s not really a flourishing of new ideas or material culture on 4chan, just a race to the bottom of taboo-breaking.
You've basically described cultural art and music since at least the 1950s. Elvis dared to play black music and gyrate his hips. Madonna rolled around in a wedding dress talking about virgins. RAP broke a whole bunch of them. Cardi B sang about WAP. If a band just sings about relationship troubles and drugs like everyone else, their music / art probably isn't very remarkable.