That proof of work NIP is starting to make a lot more sense now

Hope so

I never get spam. Also i dont quite understand the relay thing yet so maybe im just not on the ones that are riddled with it. Seems fine to me. Like people say. Nostr doesnt coddle you with a algorithm. You click you comment you find. No auto feeder

Very effective on the client. For a long reply thread, scrolling from the middle seems to duplicate other replies but not a biggie.

Yes, with some hidden words👍

Spam filter worked for me before, What specialty was added to security section?