The reason is that this act adds to the polarization of this country. It does nothing but add more hate to the world. It brings politics into an area of life which has previously been apolitical.
Worst of all it normalizes the idea that one political party is smart and rational, and another is stupid and illogical. Every time this idea is repeated, and this article will lead to the idea being repeated more, another swing voter who could go either way clings tighter to the Republican party.
Sure, it feels good to claim superiority in this manner, but it has the opposite effect from what was intended.