don't know about Vietnam and Laos, but the three firsts ones are referred to as "regimes that controls all aspects of life".

By who? You just left this hanging, unsupported.

I mean, how is that even possible without extensive bureaucracy? Are you interpreting "bureaucracy" in some unusual or private meaning of the word?

First of all, I reject the original premise that they control all aspects of life. Second of all, beauracracy is not the same as management, it's a group of career politicians enjoying the spoils of their own positions above everyone else. Lenin warns against it in The State and Revolution.

I mean, either they stay out of the lives of the people or they make all those decisions themselves or they hire a large class of bureaucrats to take these decisions for them. AI hasn't been around long enough to make it the bureaucracy.

You should look into the Democratic structures of AES states. Here's a cool infographic about how the USSR worked: