No, it’s not.
It’s literally a concept no normie knows about nor would care about.
They are not trying to follow some tankie on a banned Marxist instance, they’re trying to follow cute cat pictures on lemmy.world.
End of the day, just like with safe site filters etc, you’ll end up with most instances following similar enough protocols and federating with each other and the vast majority of people seeing the vast majority of people, with some fringes blocked for some people.
Beau Brummel’s influence is the reason, though he would have detested the uniformity of it all.
https://en.m.wikipedia.org/wiki/Beau_Brummell
A good Behind the Bastards on him: https://open.spotify.com/episode/00n2CANk00e5P2L0H348h1?si=1VhgCCRnQQueiPBFSfjJLg
Tap for spoiler
possibly the only non bastard to make it onto a non-Christmas episode