I remember in microeco101 they talked about how Walmart’s low prices are effectively like a tax with the end result of benefits spread to the lowest income people who benefit the most by low prices on commodity goods.
If Amazon lowers prices due to profit, then, theoretically that gets passed on to consumers. So it’s like a super efficient tax where the tax would be distributed to poor people in food stamps or something. Of course, that’s assuming they reduce prices instead of just keeping profits.
If you think you have any chance of fighting big corporation lobbies to impose that, I have a bridge in SF you might be interested in.
People used to fight wars for salt. Now it’s given away for free by restaurants.
Capitalism results in abundance. Or you can tax / centrally manage it away into scarcity.
You want to optimize for all the good things above without enabling wild power imbalances via cashflows and wealth.