I don't want performers to risk their safety, health and life for my entertainment. Obviously I cannot stop it, but I can stop watching those who engage in things like this. (And I don't just mean the stunt performer, but the director, the producers, the studio and the franchise.)
I have unsubscribed from youtube channels when I felt that they were pushing themselves in dangerous directions. It is not like that alone will stop them, but if I would keep watching I would be complicit in the harm which might befall them.
There is the principle attributed to Houdini by Penn Jillette that a performance/trick should not be more dangerous than sitting in one's living room. Especially when it appears dangerous. I don't know about the exact line though. Strictly interpreting the "not be more dangerous than sitting in one's living room" definition would disqualify any performance where the performer had to drive (or be chauffeured) to the location of their performance. And that would be a bit ridiculous.