The difference is an uber driver must follow the satnav closely, too much deviation can result in a refund, or a complaint, or should the flight be missed, a deactivation if the satnav wasnt followed. A taxi driver can just go the best and most efficient way, and has an infinite number of choices that an uber would simply not even think of. Simple as.I don’t speak for all PH drivers. I’m speaking for myself and other PH drivers who have been in this game for years. Heathrow to LCY, anyone with experience can do it. And the only advantage you have is the bus lanes. Simple as.