Really? Can you name them? In all the immigration discussions I've never heard anyone say they were against legal immigration.
Well, I guess you've missed all the posts in this forum pertaining to H1B visas and such, all the comments about the nation being overcrowded.
Frankly, you're either being disingenuous or you simply haven't read as much in this forum as I have.
Or maybe, and to give you the benefit of the doubt, while you've not seen anything in all the immigration discussions you've seen, you haven't apparently seen all the threads on immigration in this forum, and you missed the comments.
They've been made, they've been made plenty of times, and whether or not you believe me is immaterial.