I agree with your premise, but that statement is inaccurate.
50,000 years ago homo erectus was subject to the laws of natural selection. For most of the period up to & including the 19th century, that still held true.
Not so in the post-New Deal 20th Century. No natural selection. Worse, Stupid people breed. Worse even, most of them are on the left...
If that were so then why have stupid people survived all these millenia? According to your method of "natural selection" the stupids should have been weeded out thousands of years ago.