Earlier quoted context omitted.
A service like BlaBlaCar (in Europe) is what can legitimately be called ride-sharing. Uber is fleet of pirate taxis.
In many cities of Europe (like Prague, where I live) we call Uber "savior". Using taxis used to be flat out dangerous (crazy drivers with no regards for anything, often drunk or on cocaine or meth) and it was guaranteed you're going to pay at least 3 but usually 5 times more than you should - Uber fixed that and is cheaper than the "correct" (by law) price, it solves safety, I don't have to wait 30+ minutes, ... And…
In London we used to have a good taxi system that was well run with trustworthy drivers in "Black cabs", but with the undercutting of Uber they are more likely to try underhand tactics.