He posts here because here are the investors. ATM all he has for many years now is this: ideas. Written down, some of them. He didn't even finish his whitepaper, that alone may take him 1 more year. He is like 3-4 years behind any decent competition, and he is probably alone. No chance to rival anything beside small uncomplicated projects that don't require alot of research / development. His only chance to succeed is this: take a somewhat working project, fork and tweak it then wrap it in a shiny package and voila !
I know he seem like a smart guy ( he probably is ) but he's aware that THIS is his chance to get out of the mud and live a decent life, so he posts here to build hype and get alot of funding. I'm 99.9(9)% confident he won't deliver a working product, best case would be: take a flawed tweaked and existing product and release it as his own and without too much contribution from his side. Maybe something like steem but with changed economics.
As i know, he's well over 50 years old, do you really think he's doing the kind of research buterin does or even compare to him ?
My conclusion: he's an old smart guy that wanna make some money, and this is the way. He won't really deliver, but he will definitely make money out of it.