Emergency powers have no such tendency. There is a risk of that happening, but in reality the tendency is that emergency powers exercised in the USA are routin

Emergency powers have no such tendency. There is a risk of that happening, but in reality the tendency is that emergency powers exercised in the USA are routinely reined in, often voluntarily by the agency wielding those powers. That is because the use of emergency powers is almost always at the local level, during a short-term local emergency. We literally watched state and local government scale back their own application of emergency powers (in response to COVID) over the past few weeks. I lived through 9/11 -- in fact I was in Lower Manhattan that very morning. I know all about the abuses of power that followed, but the fact is that many of those abuses were voted on by Congress and some have been renewed with one vote after another. It is a complete red herring. The level of distrust in the government these days goes well beyond what the founders had in mind -- as evidenced by the fact that they created a government with an Executive, and gave the Executive powers that can clearly be executed without first consulting Congress or the Courts.