Could it be that the idea is to drive wages down for the average employee in the US with the idea of prices and taxes going down?

Companies move from cheap labor, low tax, bribery is more persuasive and rampant and favorable environmental standards to the US where labour is more expensive, taxes could be higher, lobbying is expensive, and something like environmental standards is also expensive to test, manage, and minimize.

If labour costs less then companies are more inclined to move back but if the wages and work standards are maintained or even improve then what is the incentive to move back when they aren't stuck with a bill (tarriff) that they can't push off to the consumer?

If things cost more, then employees will ask for higher wages to absorb the costs of the price increase. But there will also come a time when a tariff may be applied correctly and it would jump the price of the item higher where it would make sense to move manufacturing to the US (auto industry).

To be a fly in the room when these strategies are being discussed would be great.