It's kind of a form of virtue signaling (edit: or at least tribalism.) Like saying: "I'm about to say good things about the state of the world, that don't jive

It's kind of a form of virtue signaling (edit: or at least tribalism.) Like saying: "I'm about to say good things about the state of the world, that don't jive with your current feelings about things. I know, I know, we're on the same team, and none of what I'm about to say is at all attributable to that awful politician we all hate."