I hear this quite often but I don't think it's true. I don't think we've quite hit the stopping point yet for consumption but I mean you give somebody 2 Yachts and they'll probably try to sell both of them and bank most of that money. Like ask yourself what'd you do with a 100k, 1M, 10M, 100M, 1B, 10B windfall? Surely at some point you stop spending it on yourself (possible save it in a rainy day fund but w/e; consumption stops).

Of course you give everybody 10M right now it'll cause massive inflation as there isn't enough stuff actually being produced. However, GDP (adjusted for inflation) has been increasing so at some point we'll make more stuff than one can reasonable consume and at that point it'll probably be Wall-E world. However, we are talking about a windfall of 10M which is 151x the US GDP/Capita so assuming current rate of growth remains linear it'll take another 250 years for the Real GDP/Capita to be 10M (~1k in 1790 [1] to ~66k in 2023 => 151 / 66 ~= 2.5).

> If the prices for many products go towards zero, they'll become uninteresting and new products will be invented for which, for whatever reason, the price can't be zero.

I generally like the argument that price (of a competitive good) should reflect the amount of energy it took to create. So if energy becomes significantly cheap in the future I'd expect a lot of new goods to be cheaper than today's goods (which also makes it easier for everybody's consumption to go up). Of course many goods are sold by few suppliers and monopoly pricing reflects the value perceived by the consumer so there's a giant wrench.

[1]: https://www.measuringworth.com/datasets/usgdp/result.php