One of the basic assumptions of the leftist ideology is the rejection of objective truth.
They do this because of the “founding lie” of their religion of Humanism - YOU will be as gods, knowing [deciding] good and evil.
You got it.
That’s why the Left loves to emphasize “intelligence” as to the details of the facts and circumstances surrounding us but ignore the great leaps of irrationality of their conclusions because their basic beliefs are falsehoods.
The Left amounts to irrational intelligence.