No, because those immigrant builders tend to return to their original country once they have made enough money. For example, there are ~30% fewer Poles in the U

No, because those immigrant builders tend to return to their original country once they have made enough money. For example, there are ~30% fewer Poles in the UK now than in 2017, which has led to a big shortage of plumbers and builders. Anecdotally, my neighbour is a Romanian builder, and will go home once he can buy a nice house in the mountains.