Because he's not in charge and is barely engaged at all. Whoever spoke to him last is in charge for that brief window, then it's the next sociopath who walks in.
He's always viewed the presidency as an honorary position where he wouldn't have to do much work.
Deorbiting is all well and good, but more and more we're finding that these satellites contain chemicals that are very disruptive to the ozone layer. It's going to be CFCs all over again, but with even more corporate capture of government.