If policies were actually popular, there'd be no way for random commenters to prevent discussion of them.
And the just-had-their-emails-leaked-proving-they're-all-Nazis-AfD didn't grow out of anti-immigration sentiment, their anti-immigration sentiment grew out of the islamophobia, antisemitism, racism, and jingoism that Germany never fully stamped out, and which has resurged under an onslaught of foreign-controlled rhetoric.
And the just-had-their-emails-leaked-proving-they're-all-Nazis-AfD didn't grow out of anti-immigration sentiment, their anti-immigration sentiment grew out of the islamophobia, antisemitism, racism, and jingoism that Germany never fully stamped out, and which has resurged under an onslaught of foreign-controlled rhetoric.