Is it just me or was the knee-jerk 'racism!' on everything immigration-related in the article off-putting? I mean, is it racist to say that immigration might ca

Is it just me or was the knee-jerk 'racism!' on everything immigration-related in the article off-putting? I mean, is it racist to say that immigration might cause a decline of average intelligence, if it's clear that there are physical factors in play in the countries where the immigrants come from that could cause a decreased iq (lower nutrition etc, as noted in the article)? I'm not claiming that it's the case, but the prima facie dismissal of any theory like it because 'it's racist!' that anything might be influenced by immigration made the whole piece feel just very intellectually dishonest. Again, just to be clear and lest I'll get dragged down into 'you're racist' myself, I'm not claiming one way or the other. My point is that apparently some conclusions are off-limits from the start; any evidence in that direction must be wrong because of the conclusion it leads to. It's this sort of thing that makes real racists go 'see how we're being censored'.