Uber is a group of *******

Why is Uber allowed to rob people and get away with it a few months ago I requested a ride with Uber driver never showed or canceled but still I was Billed for the ride now I contacted Uber and was told I will receive a refund in a few days time until today no refund on Friday I requested a ride again my bill was R51 later on that day my acc was debited for R94 then R43 for a R51 ride then you get told you will receive a refund that never comes