I’m sure many of the early Communist leaders were idealists who wanted a better and more just world.
It just didn’t work out that way because you can’t make every one equal and every one happy.
Human nature doesn’t like to be regimented. Eventually, you’re going to have to take away people’s freedom to make them fit an arbitrary social mold.
Communism always fails even in circumstances where people once supported it - like in the former Yugoslavia.
The minute there is a leader is the minute someone thinks they are a better leader and their only goal is to get rid of the leader in charge.
End of experiment.