1.) In Bitcoin Atlantis I overheard it was an emerging problem that we need different levels of trust. Follow list is one, good for "not spam". Probably follow list's follow list is still good enough, too.
2.) Yes, and I want to have different sets of trusted users to change between
3.) The alternative would be adding a tag to the follow list?
4.) WoT should be mine and applicable anywhere through nostr.
5.) Client would publish to relays, then it can be downloaded from anyone. That's enough, no need for DVMs.