Many companies provide household income data (e.g. Acxiom, Epsilon). It's available to anyone who'll pay for it. There is nothing to suggest Uber "[does] not k

Many companies provide household income data (e.g. Acxiom, Epsilon). It's available to anyone who'll pay for it. There is nothing to suggest Uber "[does] not know if you are poor", they could very easily be buying this data on their users.