Why do you think Bluesky is there go to - bigger audience there?
Discussion
It simply got a lot of MSM coverage at the time Elon bought Twitter. The herd followed. And yes, likely because of a bigger audience.
I think it just comes down to simple norm user onboard, and it looks a lot like twitter did, and when they get there the users are more diverse.
We need nostr clients onboarding on interest rather than just recommending bitcoin/nostr folks