At every point ten feet off the ground, he is in grave danger.
You can wish to claim otherwise, but officials have no duty to allow him to risk his life in this manner.
It’s private property and he had no right to do what he was doing. And if one of those windows came loose, who would have been sued?
Good riddance to bad rubbish.
The press would have found a way to blame Trump if the guy had died.
Officials have no duty to save or protect his life at all, nor do they have a duty to save or protect anyone else's life - ever.
It's totally, completely voluntary on their part, whatever they feel like doing at the time - save him, kill him, whatever. And whatever they choose to do, they are not personally responsible for their actions. THAT'S the law.