But certainly somebody would weld for 10k an hour, and therefore the person willing to pay that will have as much welding labor as they need, and everybody else

But certainly somebody would weld for 10k an hour, and therefore the person willing to pay that will have as much welding labor as they need, and everybody else will have to match that price, bamboozle their workers into taking less, or find some way to complete their project with fewer welds.