coup - a sudden, violent, and
unlawful seizure of power from a government.
insurrection - a violent uprising against an authority or government.
as you said - they were protesting because they disagreed with the certification of the 2020 election ----- I saw nowhere at anytime that they wanted to overthrow our Govt or country or start a new Govt or nation or anything that "coup" and "insurrection" is normally associated with
but the words are soundbites from the left that will never be let go of I guess, keep believing what you're told