Amethyst will connect to all the relays the user has. nostr:nprofile1qqsdr0fnxvmn8hxyz8cwazfm8zu9yt7qmc38ll69nkvsgn8dnej4sxckxm0xe will by default connect to 3 of them (and it optimizes selection), can be changed in settings.
I believe that user's should have all their data on all their relays, to ...