Not everyone. And that is the issue. If everyone invent or keep his wheels, who are going to fly? And if you do, keep your option open like apple always have

Not everyone. And that is the issue. If everyone invent or keep his wheels, who are going to fly? And if you do, keep your option open like apple always have their system on 3 platforms and I suspect they might even have a linux option or fpga or five… You never really own your platform. Just partially.