But why? People prefer the freedom to a minor risk. When lockdowns stop, people don't stay in their home bubble, but go out and meet with people. Why? Because they weren't at home because they were afraid of the corona, but because they were forced by their governments. Looking at the current happenings in europe, sooner or later a critical mass will be reached somewhere, and some (political) heads will fall.

In general yes, closing people up inside, in separate rooms, giving them only the needed amount of calories, forbidding every even mildly dangerous sport, and of course driving and cycling, would save many lives. But who wants to live in a world like that?

Not being able to leave your house, and not being able to leave your country, aren’t the same. The difference in degree is big enough to count as a difference in kind.