To me, the logical compromise would be to require upfront payment of a bond that is (a) forfeited if you need rescue, and (b) doubled if you don't follow basic

To me, the logical compromise would be to require upfront payment of a bond that is (a) forfeited if you need rescue, and (b) doubled if you don't follow basic precautions before heading out. Liberty can't be unconditional when your actions affect others. I see no philosophical objection to saying "you're free to do X, but you're the one paying the cost if it backfires."