The iPhone analogy is a bit of a stretch. I'm not sure what "millions of equipment" it replaced. If you're referring to software, the PC or Blackberry was already accessible to those who weren't ultra-rich.
As for the heli market, the vehicle holds one person, not 2+, and can't fly as far as a heli. But it is less about consumer demand and more about the infrastructure, excessive noise, airspace constraints, and the dozens of other public-facing issues that would arise with any attempt at expanding that market.
As for the heli market, the vehicle holds one person, not 2+, and can't fly as far as a heli. But it is less about consumer demand and more about the infrastructure, excessive noise, airspace constraints, and the dozens of other public-facing issues that would arise with any attempt at expanding that market.