Marx never defined what a “Marxist system” would be or how it would work. He refused to describe his socialist utopia in more than very general terms because he believed that it must emerge spontaneously and it would, therefore, be foolish to try to predict the final form into which it would evolve.
At the same time, however, he believed that a revolution was necessary to bring socialism about. But revolution implies a sharp break from the status quo. Rather than allowing a new socio-economic order to emerge naturally, then, Marx wanted to forcibly install his new order over the ashes of the old—a new order that he refused to define because it had to emerge naturally.
As a result, “Marxism” was something of an empty bucket into which revolutionaries could pour whatever they wished.
In practice, Marxists have proven much better at destroying societies and cultures than they have at creating successful new ones. Marxism remains relevant only to the extent that it remains a destructive force.
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