mastodon.social and many other Mastadon instances are using this infamous blocklist.
https://github.com/dzuk-mutant/blockchain
If you are not OK with sitting inside a filter bubble, because your Admin finds postliberalism more important than your freedom to read everything that is on the fediverse, I suggest changing instances.

thank you in advance. Many people don't know about this, because Mastadon has been aggressively marketed as the Mastadon network and not as part of the fediverse.