Isn’t price discrimination embedded in nearly every transaction we engage in, though?

What is the difference between price discrimination between classes of individuals (to your point, business vs leisure travellers), and individuals themselves?

Nearly every pricing guide on this site recommends offering an ‘invoiced’ pricing plan for enterprises for substantially more than the same service on credit card billing. Price discrimination at its finest and, I would argue, a good thing for suppliers to extra more of the benefit they are providing to consumers.

If the price of the Uber ride is higher than you value that ride... just don’t buy it. Otherwise enjoy the value you have extracted from Uber