Why wouldn't an LLM whose training content is dominated by, or at least severely clouded by, the contribution habitual rule follower/peddler/enforcer types go on to mimic that behavior?

You feed it reddit and wikipeidia it's gonna turn into a conformist npc.

You feed it the contents of professional content and it's gonna spew vapid corporate nothingness.

You feed every text message ever sent over Boost Mobile, actually wait that sounds hilarious someone should do that.