Hindsight is 20/20. Let's see how the erosion of the foundations of the United States works out over the next 60 years. Frankly, just having an anti-vax as secretary of HHS will likely kill more than all the American deaths in Vietnam.
You have a point, we will have to wait and see, but my point is that we've had criminal, terrible, even catastrophic presidencies before: Trump is not the first and if we aren't honest with ourselves, he won't be the last.