It's a system that gets out of balance and needs to adjust over time. He calls the process that moves the system out of whack the "wealth pump". I don't think tech oligarchs are responsible for the wealth pump, they just benefit from it.
Whatever causes organizational structures to decay seems like something more general than that. Or maybe it doesn't exist at all. Or maybe it's just some Nth level effect of entropy itself. Except so far removed from simple physical measurements that it feels intellectually lazy to just label whatever is happening as "entropy" and move on.
Unknown. Fun to think about. It also makes aging a little more interesting, because it creates a framework for me to the world events I live through within--even if it's all bs in the end.