"But whether the Constitution really be one thing, or another, this much is certain - that it has either authorized such a government as we have had, or has been powerless to prevent it. In either case it is unfit to exist." - Lysander Spooner (emphasis mine)
Resilient systems have to align incentives such that they work whether or not everybody has enough good will or agreeability to play along.
250 years isn't a bad run. Maybe the next Constitution can iterate and fix the incentive alignment.
Either you can have watchers all the way down and nothing gets done, or there are limits.
It’s been ~40 years of Talk Radio in America and ~30 years of TV, which has sold entertainment as news and fine tuned the ability to have a captive voting bloc.
Producing accurate content is laborious, narratives are cheap. Facts are essentially luxury goods, and the left+center is selling them as public goods. This can never work, it takes too much to pay for and maintain the institutions which make this possible.
The right is on the other hand, being organized and “flooding the zone”, in an unending effort to reduce faith in institutions. On top of it, information from the center and left doesn’t get consumed on the right.
This took decades to set up. Today Trump’s approval ratings are down overall, but Republican support for Trump remains at its March number - 88%.