well, Nostr didn't exist then, so where was it supposed to take place? 4chan? under the sea?
when a discussion about a public technology, or any other topic for that matter, needs to happen, you go where the people are.
the people were, and still are, on the app formerly known as Twitter.
if you care about a subject enough, it doesn't matter how much anger your position invites.
if people rabidly hate you for presenting a potentially viable vision for the future of a monetary service that is being overrun by crooks and retards, you're probably saying something they're too limited-in-the-brain to even think about.