Yes, a key part of the reason I feel this way is that I very much expect Muslims, refugees, and muslim refugees all to commit acts of violence at about the same rate as any other group. If there were evidence to the contrary, I'd take it seriously. I don't know of any.

Even then, though, to me it seems unamerican to take action against individuals simply because they're members of a group. Our history of that, from Jim Crow to Japanese internment to McCarthyism, is uniformly bad.