Don't forget the platform specific "culture" nudges and shared culture that gets diluted among all from the top (namely the chans).

My favourite was when they banned /pol/ memes from KiA and made announcements with /pol/ memes, completely ignorant to the origin and genesis of their own culture!

The moar things change, I guess.

I study this as a hobby so let's nerd out and deepdive on this.