The prediction was that ride-sharing would become a winner take all market and that Lyft and Uber would fight it out to attrition, but I'm not sure if this is the case. Both of these companies are massive and I don't see one reaching escape velocity to leave the other in the dust. At a point the losses will matter and the realization will need to be had that the other will not die.
Friends and family social networking is a winner-take-all market because your friends lock you in. Messaging for gamers a la Discord is a winner-take-all market because fellow gamers lock you in. But from the rider perspective, there's very little lock-in for ride sharing services. Just install a new app and the car shows up. Doesn't matter if your friends use it. There's no moat. Ride-share lock-in is on the provide…
If the majority of riders are on one app, that's where the drivers will go. If the majority of drivers are one app, that's where the riders will go.
Think Craigslist not Facebook.