They should be roughly equal over time. The purest markets we have are the financial markets and level 2 data tends to exhibit this quality. Demand is desire

They should be roughly equal over time. The purest markets we have are the financial markets and level 2 data tends to exhibit this quality. Demand is desire plus ability to pay - which is why your iPhone example is deficient. That’s why billions go without and why people go for the alternatives. However everybody needs a job to be able to live. There is no alternative to selling your labour hours in a modern world. Extracting from others is a fallacy of composition.