Nostr is pseudonymous without any barrier to entry. Twitter has failed to control bots, despite substantial effort.
How will Nostr handle bots, once they come, other than clients simply blocking anyone they're not following?
As part of the scaling and drivechain debate, I'm just gonna say this:
If Bitcoin ever takes over the world, and I see that as inevitable, Visa and Mastercard will take care of the scaling.
(they're credit cards, so the trust is reversed, no custody risk)