Sounds like the bitter words of someone who got pushed out. I know the type, I’m no longer an academic myself. Sorry it didn’t work out for you, not sorry to claim that the overwhelming majority of the most important advancements are still made by people with PhDs, however many unsuccessful ones there are.
Most of these anti immigrant takes are ultimately sour grapes from people who were often rightfully left behind or economically downlifted by their lack of willingness to adapt to the changing world we are in.
Most of these who think that wasp Americans are harmed by high skilled immigrants are admitting that they can’t beat them. Pathetic slave morality which is life denying and ontologically damnable.
I did fine for myself. You're crazy or brainwashed if you don't think there's something wrong going on in the academe. I have long conversations with my friend (who is a professor at ASU) about it, I don't think he's blowing smoke up my ass.