1) These environmental guidelines are useful for sustaining life on earth.
They are apparently more useful for sustaining life outside of the US than they are inside the US.
2) Moving to Mexico won't help.
It'll help Tesla and Mexico a great deal.
3) If you are worried about not being able to compete with Mexico, argue to your (potential) customers.
Are your potential customers going to adjust US regulations? Or are they going to buy a more expensive product just to save a negligible amount of pollution emissions?