One of the servers on this list is connected to a conspiracy theory focused podcast. We aren't very similar with it and aren't sure to what extent it's tongue in cheek. One of the podcast co-hosts uses GrapheneOS.

A significant number of people there were following this account before today. Despite being a large instance permitting almost any legal content, we didn't experience much toxicity from it until May, but it has gotten very bad due to overlap with the main source of the harassment.

https://grapheneos.social/@GrapheneOS/110953976556842901