That's like saying that hardware should be only repairable by vendor because majority of humanity doesn't have skills to fix it themselves.
They said, you can do it "if you have the skills" and that "the large majority of humanity does not" have these skills.
Pretty sure most people don't have the ability to teach themselves to fly a private jet and then walk up and take off.
[0] Setting aside phones/mobile. Yes they exist, yes they're important. No they're not relevant to this thread.