They love that.
To these liberal totalitarians-in-waiting, there's no finer thing than to tell bald-faced lies on national television, knowing that you're absolutely safe doing so and that there's the people who know you're lying can do about it, that they just have to take it. That's a real macho show of power, in their way of thinking.
Exactly, and from the looks of Strzok in the hearing he gets his jollies off on it.