Barriers is what makes a community; by definition, if there was truly zero barriers, there would be one ambient global pot. When barriers are eliminated, communities either erect new barriers or die.

The barrier of rejecting LLM content is a basic pre-requisite of any community of humans directly engaging with other humans in good faith.

There are always ways to achieve that: long vetting process and in-person meetings, high membership price, trusted computing verification, etc. It’s an arms race, but you only have to make it not worth it to the attacker.

Therefore, communities will either die, become much less accessible, or delegate human verification arms race to a service—most likely paid solutions provided by the very industry that is providing the products killing those communities[0].

[0] For example, see Altman’s https://en.wikipedia.org/wiki/World_(blockchain).