Only one of these two things can occur: there IS no such thing as a “communistic utopia” except for the ruling class.
It’s like the child leaning forward into a pit of acid, only the acid makes a big splash and burns many other people in the process.
Envy and war are two of the constants of the human condition, and we merely see this fact playing itself out again over and over and over: historically, and it will continue until the Earth is no more.
(And, to satisfy those that will misinterpret me, of course I don’t mean to say that we live in a black hole. Of course, there are countless great things that occur. This is merely a commentary on the development of political history: it’s not a commentary on, say, the birth of your first child, or any other example you will give to try to “prove me wrong” (but ultimately is just a missing of my point)).