Well some airports prohibit rideshare all together (just like some cities or countries do), so trying to use it in places where the local authorities have inten

Well some airports prohibit rideshare all together (just like some cities or countries do), so trying to use it in places where the local authorities have intentionally made it difficult will probably always suck. But rideshare apps are incredibly valuable at airports, especially in less developed countries where getting into the wrong cab at the airport gives you about a 90% chance of getting scammed or robbed, but getting an Uber or Grab from the airport brings that down to almost 0%.