Of course nearly everything is politicized currently, and science has certainly been politicized in the past, (Galileo, Scopes Monkey Trial, Creationism in schools, etc.) but that doesn't make this latest round any less troubling.
I want to be clear here that I'm not suggesting that science is "left" or "right," or that the left is blameless here. (they're definitely not blameless) That said, I do think it's very interesting to see a strict attack on the scientific method itself, which is at least to my eyes seems new. For example in the old Creationism debates of the 90s and early 2000s, the certainty of specific scientific evidence is what was brought into question. Perhaps that was only because the debates had to happen in the public eye, and have some air of validity though.