I see many people condemning Pelosi's symbolic gesture. But was it really such a bad move?
Trump's speech was anti-democratically triumphalist. Symbolic gestures have value, and symbolically rejecting Trump's speech has value.
If we preserve democracy in the US, if we walk ourselves back from the brink of authoritarianism (which could finally come from either party), we may look back on Pelosi's action with approval, as a symbolic rejection of the path we're on.