This is, imho, the only way to make sense of the current situation. A lot of Serious People refused to see the world as it was, and are now waking up and panicking in extremely counterproductive ways.
Many people who call for Biden to go on the basis that they (I repeat, correctly!) see Trump as an existential threat, over crucial points over the last four years either didn't see him that way or were unwilling to accept what that might mean.
