It wasn’t just the Court, 80% of the legislative branch supported the ban, and Biden signed it into law. The whole government worked together to ban the app that realistically had supermajority support among the public.
I definitely think Nostr needs a little more time, the timing just wasn’t ideal for Nostr to fill the hole that TikTok left. Nostr clearly isn’t going away, it will just keep growing until it’s big enough for normies