> How can you be sure the opinion moved to the center and not that the center moved to the right?

I'm pretty sure he meant that what used to be a far-right view is now considered mainstream. Which is true, since even the EU Parliament has now begun passing laws vs migrants, and governments all across Western Europe are now taking steps against migrants.

> Brown people existing doesn't hurt you.

Correct, and I'm one of them. Unfortunately some abhorrent elements of our culture, traditions and values hurt erstwhile peaceful societies.