Notice how most, (if not all) are under 25 yrs old. They say the "common sense" part of the human brain, doesn't reach full maturity till mid twenties. Let these young guys view what they've done twenty yrs from now, and see if they'll attempt it again.
The men that work the tops of those towers for a living, are a special breed. Not only isn't there enuff money in the world to get me to do that, I physically and mentally, could never do it. My body wouldn't let me.