Yeah it If you see a link like https://discord.gg/abcdefg123456 it is likely an invite to someone’s server. I don’t see how that could get your email address though.

What is the burden if I wanted to host a node and limit access just to myself? Is it just a portal into the rest of the fediverse or is there a large maintenance burden or storage requirement?

At least it’s not heavy

I even typed up all the lyrics to all my songs.

I am root