for the vast majority, that’s all it is (a dream). The majority of immigrants coming into our country have few skill sets, mostly related labor. Life in The US can be very difficult.
Just have a major accident and see how the insurance companies treat you and the leach personal injury lawyers in the United Stated. I am sure it is in every country. The insurance ceo makes mega millions by denying and prolonging your case. Nothing compared to paying an extra dollar to visit a national park in Thailand.