圈日本人跟禁止某个种族(或宗教群体)都是同样的错误.

I am fine with racial profiling, because of high possibility putting certain group under scrutiny is practical and reasonable, resulted incontinence to that group is unavoidable (not fair though, unfortunately).

But there has to be a boundary or limit, rounding up the whole group, in my view, is beyond the limit.