totally agree with this. someone on javascript client, is like a million times less slower than someone using an asic for same time/investment or coputation. PoW is not a level playing field here. Nostr will grow by trusing some, and ignoring spam.
Discussion
I think the mistake here is thinking everyone needs to mine, like there's some rope everybody needs to jump. PoW will only affect those spamming not legitimate users like you and I.
Why do you think everyone needs to mine?