I think it's more because Grab (Uber's competitor in Singapore) has always had the cash option from the start (Grab introduced GrabPay — their credit card optio

I think it's more because Grab (Uber's competitor in Singapore) has always had the cash option from the start (Grab introduced GrabPay — their credit card option — after) [1], and Uber was trying to match the "feature". [1] https://vulcanpost.com/171862/grabtaxi-uber-challenge-cashless-payment/ https://vulcanpost.com/171862/grabtaxi-uber-challenge-cashle...