I would have agreed years ago, but seeing trump - who obviously should be in prison for January 6th, among other crimes - back in the WH pretty much proves the US is not a nation of laws.
This is what happens with the authoritarian faction, present in all societies, wins an election. The people who stand for the Constitutional order didn't do enough. Whether they weren't sufficiently positive persuasive or negatively persuasive, here we are with President Psycho in office.
The law didn't fail. Order didn't fail. The self-governed, the people, failed to support and defend the Constitution.