The point in citing Weaver was not to suggest that we should only buy Weaver, or that Weaver can meet all our wants/needs. That is so obviously nonsensical that it never even occurred to me. The point is, that Weaver is bringing production BACK to the U.S. The soon-to-be-produced Milwaukee Road ribside boxcars will sell for the same price, and have the same level of detail, as the B&O wagontop cars built in China a couple of years ago. The point is, the fact that Weaver can sell these cars at the same price as imported cars and make money, suggests that maybe, just maybe, somebody else could do the same. Obviously it isn't going to happen overnight; Lionel and MTH have enormous investments in Chinese production and there are all manner of issues to be addressed in setting up a U.S. manufacturing operation. But, as the business environment in China gets tougher and shipping costs keep going up, the relative cost advantage of producing in China is likely to continue to erode. China is corrupt, there's no real rule of law, and the business environment is far more subject to political manipulation than it is here.
Mexico is another possibility. It's next door, it's a friendly country (which China is not), American management can keep a much closer eye on things, and the jobs would go to Mexicans who might otherwise be tempted to try their luck on this side of the border. Lionel had a fiasco there a while back, but Mexico has changed. It's a much more modern and middle-class country now, and Mexican industry can and does build quality goods.
Chinese-built trains are not an inevitable feature of the landscape for the indefinite future. Things can change, and smart, flexible companies will find a way to change things to their advantage. That's why they moved to China in the first place; there's no law of nature that says they have to stay there.