[crispyporkbites]

Not really, most tech starts in industry or the military. Most things aren’t pioneered by billionaires- you could make the argument that millionaires are often the early adopters that commission/bring tech down to the rest of us.

But there will never be a future where private jets are economical for the masses (even private cars aren't really economical for the long term for everyone globally), and I doubt the tech Boom are developing will make it into widely used commercial planes, but perhaps it will.