Its pretty bad. I ran an instance for a little while. Because I federated with bitcoinhackers it got me on a mess of block lists by default. Kinda pushing me into the cess pit of the fediverse. I had to do shit loads of moderation to not see porn or nazis.
Discussion
What is different here? Global feed can be kinda messy.
I would say primary difference here is im not blocked by most of the network just because I chose to associate with bitcoiners and dident state my instances speech policys (it was just me and 2 friends who used it)
And while global can be a mess using the right relay said makes a massive diffrence as "global" is a bit of a misnomer on nostr imo.