All your personal italicized comments are spot on. And the other comments too. Thiessen's list could only be compiled and justified by ignoring much of political reality. Which you and the others pointed out is exactly what Thiessen did.
He exposed himself as corruptly and irredeemably partisan when he said Biden's presidency was the worst of his lifetime.
It was Plato who said, “He, O men, is the wisest, who like Socrates, knows that his wisdom is in truth worth nothing”