Because some of us have ancestors who came from those places, as they wanted nothing to do with it.
Capisce?
Of course.................one can always get in their car, and drive north...............
(I also see we have different definitions of the word "effective". Or should I say, different metrics as to being effective in what terms. To the "progressive" mindset, it probably means rigid adherence to a convoluted theory of how the individual must set aside their being, for the greater good of the collective. Yes, those educational brainwashing techniques are effective. No, thanks.)