Also, on Jan 6th, in the House, some guns were drawn, others there were assisting without guns. For example, one can be seen holding some kind of stick or pole, as a non lethal defense.  And defenders had pushed a barricade in the way, probably furniture, to help block those doors.

Camera angle prevents knowing if the uniformed officer had his fire arm in hand, but he's clearly not aiming his gun at the door, like the others standing closer are doing.   

Repr. Thomas Massie disagreed with your message, when he wrote: “The next member who argues Congressmen shouldn’t be allowed to carry firearms at work needs to be laughed out of the Capitol,” Massie wrote.