Repairability definitely doesn't keep the costs low. If it was cheaper and easier, it wouldn't have to be regulated. As for supply chain management, companies that get that equation correct are going to benefit. Which is exactly how it should be.

We define the rules of the game and companies that can best implement those rules will succeed. That is capitalism.

It won’t self resolve because consumers don’t fully factor in every detail while buying, and they often don’t get such granular choice anyway.

It’s easier and more profitable for companies to make a product that catastrophically fails around about when the new model is out. So that’s what they do. Until just now when the EU is reeling them back in line.