Musk and his hacker kids are tinkering with the FAA Flight Controllers computer software, most of which was written in COBAL.

I'm not sure if these teenagers have a lot of experience with it but hey, just value word to the wise.

I recall listening to the horror stories regarding the stability of "X" when it was purchased by Elon. It's a tad bit more critical when controlling the skies. Even Sean Duffy would agree with that.