Critics of Darwinian theory have faced exactly such a campaign — not just recently but going back a couple of decades.
The term “anti-evolution” has been used for decades, over and over, by untold numbers of defenders of Darwin and critics of the theory of intelligent design.
Earlier this month, Michael Flannery and John West discussed the legacy of Alfred Russel Wallace (1823-1913) on the occasion of his birthday.
I have no idea what King would have thought of the modern theory of intelligent design, but many of the ideas he expressed are certainly friendly to ID.
Could scientists and advocates of scientism really make a worse hash of things than the politicians?