Unimaginable wealth means you live as comfortably as you want. no wealth means you are out on the streets and can't even afford the basics needed to get yourself out of the rut society threw you in.
If I'm to take this as a comparison of "wealth ends up in the hands of one", the difference with communism is that the one with the wealth still needs to distribute it, lest they are driven out by a coup or by annihilating all the power they had (the power over their people, who are now dead or fled).
Captistlism makes no such promise of distribution, and who to uprise against is much less clear. toppling a monopoly leader also doesn't necessarily destroy the institution either.
>the final notion we may need to shed is that we are people, individual agents, instead of nonseparate natural phenomena.
If we give up our humanity to someone else, we may as well be. But that's not something I relinquish easily.
Capitalism is the manifestation of the aggregate human psyche. We've agreed that this part of our selves that desires to possess things and the part that feels better when having even more, is essential. This is the root we need to question, but have not yet dared to question. Because if we follow this path of questioning, and continue to shed each of our grasping neuroticisms, the final notion we may need to shed is that we are people, individual agents, instead of nonseparate natural phenomena.
We will have to confront that question eventually because we will always have to face the truth.