Fortunately I didn't get my posts removed but I know that those platforms are stink and very selective with what they allow on their platforms. Most people don't see that but after I started posting about BCHnostr for example on X, my reach started to reduce. This means the algorithm kicked me and reduced exposure. On Reddit I post on r/BitcoinCash and r/BTC so they can't lock me out because I have reputation on there. But I don't advice others to do the same: their posts will be censored for sure.
Most Legacy platforms are clowns.