While I agree with the desired outcome, here is the fatal flaw with term limits: imagine the entire government run the way the State Department is run, that is by an entrenched bureaucracy. The issue with term limits is that the pols who come and go cannot stay long enough to gain an institutional memory. They must rely on the ever-present staff employees, who know that pols will come and go, so they can do almost whatever they please. Term limits only increase the power of the bureaucrats who become even less responsive to citizens because citizens have almost no power over them.
You make a good point but, IMO, that’s a simple enough fix - clean house. When the politician goes, so does the herd of barking dogs who supported him (staff) other than the admins who can train his replacement how to turn the computer on and access pending bills.
Without a crew of “Yes men and women” anround to tell the moron how to think, he/she may actually have to write their own speeches.
I know that’s an overly simplistic answer to a complex problem, but the rot at all levels of government has to stop. The best way to stop rot is to replace all the rotten components.