I think nostr and bluesky have different goals. I am on both and they are like night and day. Bluesky is very much like Twitter, Nostr is...well...something else.
I will buy the Nostr for Dummies if anyone ever writes one. 

 Trop nul et décevant que Ben veuille vendre nostr.com alors qu'on a officiellement Jeff Bezos dans les murs