They're still around, even if Musk is excluded. Torvalds springs to mind pretty quickly. I think society is increasingly adverse to people having personality flaws, than it is in favour of people having strengths such as technical knowledge or ability.

Better to have a bland guy running McDonalds who can't stomach eating the "product" than some passionate chef doing his best to improve mass market food but rubbing people up the wrong way.

It's failure of capitalism if the money goes to the guy in the shiny suit instead of the person, or team, who can actually innovate. I don't want to be too melodramatic, but maybe this is all part of the fall of the empire.