Right but this creates a new issue, those platforms can moderate what you can say, and not every controversial statement is wrong or bad, but to avoid liability

Right but this creates a new issue, those platforms can moderate what you can say, and not every controversial statement is wrong or bad, but to avoid liability these platforms moderate it away. Then the other related issue is on the chance that what wasn't previously controversial becomes controversial they can go back and scrub older posts. Hosting your own blog protects you from this. They have offered a lot of benefits but they also have the ability to censor.