A bot spammer is a lot more likely to be willing to zap "for attention" than a newbie. Also, you don't get to decide who has the right to write.

Instead of spending so much time and energy trying to figure out ways to censor content and effectively make Nostr more vulnerable and unsafe to use, the tech-inclined minds could focus on developing more sophisticated client-side tools that empower users to curate their own feed themselves, the way they like.