How do more of these people not die?
1. They are well practised
2. Most what has been shown on here (with the notable exception of Alex Honnald soling at Yosemite) is not actually that dangerous or difficult.
It's a mental thing. one of my climbing partners often says: " Why worry about standing on a cliff edge, you don't fall into the road when standing on the kerb". There is no difference except for confidence.