I know that anarchism, specifically anarcho-communism and marxism are very different. People always talk about their main difference being that they have a different means of achieving their goals but the same end goal , but that’s definitely not true. So what are some of the ways they are different?
We are definitely in agreement. My example highlights to the potential exploitation of the height difference, not the height difference itself. I refer to natural differences in power specifically to refer to the hierarchical social structures that they have the potential coalesce, absent alternatives. You describe such alternatives in your two examples because anarchists are indeed concerned with abolishing even such “primitive” hierarchical outcomes.
Then I guess it bears repeating that marxism is also concerned with those outcomes.