Dersh is merely from another time. A time in the past when society in general, liberals and conservatives alike co-existed with traditional honesty and integrity.
We had transferred power from one party to the other, while both agreed to oppose the USSR.
The left (now "deocrat socialist, is more like Soviet communism, and Nazi fascism.
Overthrow the newly elected government, no problem.
And lies told often enough, are believed.
Add to that the rejection of long held legal precepts, like probably cause and innocent until proved guilty, and we are looking at danger.
Take the time to view an award winning film. (sorry-closed caption)
https://en.wikipedia.org/wiki/The_Lives_of_Others