engineers have long been interested in woodworking as a distraction from work. its one of the many dream jobs/hobbys for engineers when they get enough money

Why would someone good at running a social media website be good at managing and developing ai frontier models

Because they have extra money to do whatever they want with. And data to use it on? Not that that is sufficient, but it helps.

I'm sure they will gladly sell us both

Because programming languages are the clearest way we can write down instructions for computers to execute without ambiguity.