and that when our rights are violated to a sufficient degree that the citizens have a right to stand up for those rights to the point of free assembly to express our opinions... and if/when those violations of rights are sufficiently grave and otherwise unresolvable to toss out that government and form a new one.
In this particular case I do not think that the violence by the protesters was justified, but I also do not think that President Trump was wrong in his speech there, nor in the protests and demonstration by the people outside of the capitol building.
fwiw, I think there is strong evidence that Antifa & Black Lives Matter activists were there, undoubtedly at the behest of the leftists wanting to provoke riotous behavior in order to smear the Trump supporters upset at the election shenanigans.
There are more detailed analyses out there, but here is an early one to give a hint of what happened:
Analysis of Ashli Babbit Video Suggests Coordinated Actions—Interview W. Masako Ganaha | Crossroads
https://www.youtube.com/watch?v=5nvqvvsqJ_s