Maybe we don't really need those "trackbacks" and unmoderated comments from random anonymous users.

Maybe decentralized services should function strictly on a web-of-trust basis. In the end, if you have something valuable to contribute in a given domain, you have either joined a relevant organization or have contact with people in the field.

Maybe collaboration between complete strangers with unknown reputation, is not a good idea and explains why it doesn't function like that in the real world?