No, it wouldn’t. It would be like standing with the doomed souls at the Alamo rather than slinking away like a rat in the dark to try and find a smaller band of Santa Anna’s boys to pick on. It is never a waste to stand up to tyranny and fascism, even if you know that you, individually and corporeally, will probably not survive the encounter.
You want to give Pelosi a bloody nose ? Take seats away from her elsewhere in the country. THAT’S how to win.