Coracle will warn you if you really want to post your nsec, and then let you.
Discussion
I like this option.
"Oi, just a heads up, you're about to do something really stupid. Do it anyways?"
Me too. I was pleasantly surprised. Thanks nostr:npub1jlrs53pkdfjnts29kveljul2sm0actt6n8dxrrzqcersttvcuv3qdjynqn