Back to the original point.  Bluesky started later than nostr but got to 13 million users.  Hence the funding.  They invested in infrastructure to do that.  They are 100x bigger than nostr, and therefore, sustainable.  Nostr is not sustainable, and has to rely on hand outs, for as long as they are given, and none of it is passed down to infrastructure.  Can you see why they are two different things?