I have no problem with private companies deciding who gets aa job at that company based on leetcode style tests. I have a huge problem with private companies deciding who is allowed to enter work, and remain in the united states based on leetcode style tests.

Somehow, private companies have convinced a large share of the US public that a person who opposes corporate control over the immigration system (and an immigrant's life)is somehow "anti-immigrant". It is one of the great PR coups of our era - though, like many campaigns of disinformation and slander, it did get an assist from a number of genuinely anti-immigrant jackasses who vocally criticized the program.