yes, mega rich people have helipads, at their homes. But where do they land when they take them somewhere? Cant land at the grocery store, or the mall, or the school, or anywhere normal people go using cars.
Mega wealthy people pay the hired help to grocery shop and prepare meals, clothing designers come to their homes for fittings, and the chauffeur drives the munchkins to private schools.
If you have money to be cruising around in one of these, you have people for that!
The idea that this aircraft could be commercially viable any time soon is ridiculous. It would have to abide by FAA helicopter flight rules and has crap for range before needing a recharge...