An alternatively hypothesis is that users with credits in their account are committed spenders, and so are less likely to receive discounts. In the same way, fr

An alternatively hypothesis is that users with credits in their account are committed spenders, and so are less likely to receive discounts. In the same way, frequent users are more committed. I rarely use Uber/Eats, so when I do I almost always have ~1/3rd off through some voucher or something. They also do vouchers that work over multiple purchases in order to build habits.