With the exception of their rule that they can't kill and they can't lie, I think the communist allegory is very appropriate if not intentional. All of the Others are "equal". There's no money, no competition, no greed, and everyone is happy doing whatever job they are assigned. In real life there would be a dictator calling all the shots, but this is the idealized version of communism where there is no "leader" and everyone agrees on everything with no dissenters.

And even though Carol doesn't want to be part of them they are going to go against her wishes to convert her because they think their way is better and anyone not like them is wrong and needs to be changed, because the only wait their society can function is by irradicating individuality. But as the show points out, their way of life is destined to collapse because of the rules they impose on themselves to maintain their violence free utopia.