Kind01 should also have a character limit imho.
210 chars should do the trick.
This is the most interesting part of the Kind01-removal discussion.
High signal comment.
https://github.com/nostr-protocol/nips/pull/1076#issuecomment-1987002929
Discussion
If it's really only a "tweet", then I agree. More characters would just be a thread.
Or use long-form and link to long-form articles from your tweets.