Ignoring your mixup of persecution and prosecution, it's wild that you're even remotely putting mass execution and imprisonment on the same level as having your singular thread removed from a privately hosted forum that you voluntarily joined.
Censorship by privately run and hosted forums is not remotely equivalent to the horrors of totalitarian.and fascist governments. Even if people were to agree that it's evil (which it's not, paradox of tolerance), the comparison is beyond the pale.
This is one of the most chronically online takes I've ever heard.