> Listen to yourself here. Your solution is "be rich"
I never bought a used car, or any car at all. And I did that before I was rich.
In fact, poor people generally can't afford cars in the first place.
> So what happens is you either create a cliff or you pull everything down too. Lemon markets for the poor or lemon markets for everyone. Neither is good
Huh, what? Reputation still works, even for poor customers. And so do warranties and insurances.
And you seem to imply that regulation can magically make the problem go away? It can't. Typically, regulation in this case raises the prices for everyone by demanding certain features, whether users want them or not. (But details depend on exactly what regulation you propose.)