For an even handed treatment, it should really include discussion of or a link to the propaganda technique of projection / accusation in a mirror, which is how that term came about to begin with. Derangement is a key element of Trump's support, because objectively none of his policies add up to any kind of effective plan, nor do they make sense in the context of American values of individual liberty. It's all just empty spectacle of look over here, you've been wronged, we're going to performatively attack the people who supposedly wronged you. By preemptively lashing out and gaslighting the actually-conservative group as "deranged" for merely reacting to the destruction, they obscure the obvious.