Indeed, they are doing politics under the color of science.
I don't know why Darwinian evolution theory needs so much "defending," up to and including using crooked means, if it's so darned great. This is a scientific matter, not a political one; or ought so to be regarded. IMHO.
The vehemence (and even seeming desperation) of some of its supporters suggests religious passion, not scientific dispassion/objectivity.
Plus I don't understand why it wants to "exempt" itself from the normal course of science, which is evolutionary itself. Theories are improved upon over the course of scientific investigation. We now realize that even Newtonian mechanics is not exempt from this rule.
Well, FWIW my two cents....