“There’s obviously a Discord or a forum somewhere.”
I think they misunderstood something fundamental about Mastodon...
On a side note: people complaining about RPi not being concerned about their main customers also have a fundamental misunderstanding what the main RPi customers are these days. The reason why they are so hard to get is that RPi is prioritizing their by far larger commercial customers over SBC end-users and couldn't care less about the latter.