Uber is already doing/testing this in a better way. They had free Uber week in Perth not long ago, with discounts & freebies offered at a number of restaurants

Uber is already doing/testing this in a better way. They had free Uber week in Perth not long ago, with discounts & freebies offered at a number of restaurants if you made them your final Uber destination. I don't usually go out on a whim to a restaurant when the taxi is $40 each way, but when the travel cost is dramatically subsidized by the venue or zero...