You don’t have to waste resources educating people. Someone else does that, and you just pay them a slightly higher wages.
Much cheaper than a well-funded education system.
From my own experience, in France, both of those assumptions are heavily violated. It can vary depending of the type of immigration though, I bet the story is different for California
I was talking about O-1 visa type migration: highly qualified individuals being admitted based on their credentials.
Hiring the next generation, instead of breeding and raising it.
But being human isn’t just about economics.
Try telling people it is wrong to exploit immigrants or that immigrants are not more stupid than anyone else and won't let themselves be exploited so easily, and you're talking to deaf ears.