Originally Posted by IAN-UK

i always use taxi or metro from the airport: depends on bags basically. Uber drivers tell me they are uneasy picking up at the airport (because of hostility from regular taxis), so they'd probably want to call you to synchronise a pick-up.

The trick to a conflict-free and trick-free taxi ride is to avoid the taxi queue at arrivals, and go up to the rank in front of the departure area (head right as you come out of the airside bit, then it's an easy trip up an escalator).