The problem is that almost no one buys products based on the stability of the supply chain, so irresponsibly-global supply chains will beat out responsibly-global ones on price. The problem is our tools to addressing this are either (a) some sort of tariff arrangement, which will almost certainly be political footballs far more than they will address any real problem, or (b) some regulatory/compliance arrangement, wh…
That does two things. One, no more cost advantage to global manufacturing in whatever place has the least respect for the environment, which lets others compete better and removes the race to the bottom. Two, there are lots of different and potentially conflicting rules everywhere, so then you get more specialization as there is an advantage to smaller companies that only comply with the rules for the markets where they're selling.