Not sure if it's waste material, but yes, the only reason there isn't non-Chinese supply is economics. If they ban export the economics changes quickly.
I think it's worth it to allow this but I fail to see it's true relevance. If companies don't innovate sufficiently for the long term they will die to other companies that do. Hence the market takes care of itself.
How many premium laptops have you owned that had keyboard issues? I've never had a keyboard issue on any laptop I've ever owned. Are you sure you'll be happy to waste an entire afternoon waiting for something which should not break to be fixed?
Somewhat related, it's entirely possible that someday social security will be revamped to include equities similar to how Canada runs its pension plan.
The ideal time for this would be once the current house of cards world economy collapses. Could be 10-15 years off yet.