Word salads can be very intimidating if the words are extremely technical and the person behind them carries a lot of clout. It's a bit of a trick that some people are very good at.

Bill Gates was known for making PMs and tech lead type people scared, often literally so, by going deep into technical details.

Elon Musk sometimes also talks a lot of details, to the point of actual rocket engineers working for him being impressed. At the same time, it is sometimes painfully obvious that he hasn't got the basics even remotely correct.

I'm not saying that Epstein was like that, but the fact that these three people used to hang out isn't surprising, they're likely to be socially compatible.