Did they get that class and decency when they arrived in the U.S. because I don't see much evidence of that in their home country?
See, this is your problem, you can't think beyond the right wing buzz words. The future is NOT about oil and gas, the future is about technology and technology only needs patents and rare earth metals. Chinese have no respect for patents but they do love their REE. http://scholar.sun.ac.za/handle/10019.1/21176 https://www.reuters.com/article/ozatp-africa-rareearths-20110304-idAFJOE72306Z20110304 https://www.ft.com/content/88abbe52-0261-11e7-aa5b-6bb07f5c8e12 Even Saudis are spending half a trillion on 'green technology' https://www.dezeen.com/2017/10/27/s...automated-sustainable-neom-city-egypt-jordan/ And what is the conservative US government focused on? On fossils just like the fossil retard leading the government. Cons trying to indoctrinate kids with religious scripture in schools while ignoring hard science which means even the lead in knowledge would wither away in a few years.
Contrary to popular belief, immigrating into US is no cake walk, there is no generous policy as advocated on the statue of liberty.