Why do you assume that setting a high price or raising prices is "abusing customers"? If customers are paying that price, what's the problem? Are the customers idiots who can't be trusted how to allocate their money?

High prices is only "abuse" if there is a monopoly on that good and there is no substitute. Which, yes that is bad, we should stop it. BUT even a true monopoly doesn't explain a generalized increase in prices where consumers do not react to higher prices on A by reducing spending on B.

Edit: Of course there is variance in the degree to which owners will pursue profit maximization, up to and including "I am already rich and I will operate this at a loss for the good of the public", but the median (or even 75th percentile) firm I don't think is at "pass all cost savings onto customers even if I'm leaving money on the table."