A trillion dollars will accumulate $100 billion in passive wealth simply by existing
I'm not saying it's a good system, but it's "aiming" for realtively good things. Just needs a bit of rebalancing regarding what activities help people get voted for. Basically harm shouldn't pay, squatting on limited resources shouldn't pay.
Let's naively assume that money is a reward for doing a good thing. It might be beneficial to more highly reward people who did the good thing sooner rather than later. So it's a reasonable mechanism having undesirable side effects because it's not tuned correctly.
That's why it's silly to hold a lot of cash, it means you've been suckered by society. That's also why holding (certain kinds of) debt is smart; you want a net positive relationship with society, in terms of pure personal gain.