What was the danger of a totalitarian regime?

In fact, the totalitarian regime is based on the global control of the authorities over the state. In this connection, it is possible to single out the most dangerous aspects of it for society:
1) under totalitarianism, there is control over freedom of thought, as well as its suppression;
2) there is a division of people into “us” and “strangers”;
3) also under a totalitarian regime, a special type of people is distinguished – the dominant nation;
4) there is an interference of the state in the personal life of a person.