Walking on a high wire is inherently dangerous, but you’ve said that you prepare so much that death is not a risk.
No, it’s not. I think this is very wrong to put your life in danger or to gamble with your life. I cannot do the first step not being absolutely sure that I will successfully perform the last.
Relatively speaking, the risk assumed by Petit isn’t any greater than the risk you or I assume when crossing a busy street. The thrill is in the fact that for regular people, doing what Petit does would be impossibly risky. Preparation is everything.