You need to travel more if you think Uber and Airbnb are a "scam". To be abroad in certain countries and NOT use Uber or Airbnb is potentially putting your life at risk, especially getting into random taxis.
So... maybe there is an actual reason many of these companies had/have success that you may simply not be privy to?
So... maybe there is an actual reason many of these companies had/have success that you may simply not be privy to?