Number 7 is the only one that matters, thats is what will kill nostr and its ethos.. Few users are gonna pay to move to nostr when they can pay to stay on twitter with the same problems. Its impossible to tell any nostrdev this because their job (or their billionaire CEO wannabe complex) depends upon their not understanding it.
people may just come for the sats although btc supported by Twitter also but not so ingrained in the culture. https://m.primal.net/HWCr.jpg