They have a completely private order collection mechanism, support mechanism for traditional businesses, and event rsvps for communities, all powered through nostr, all while learning about nostr concepts like relays and NIP07 , also while respecting their customers data.

Not to mention theres also quizzes and other outreach mechanisms.

This from what I know from public usage, there are a bunch of usecases I don't get to know, since formstr is private by default.