Its the availability that is the killer for these sorts of services, as one of the people interviewed in the article says. I don't see how these services can compare with a private car without totally saturating the neighborhood with lots of idle vehicles sitting around to cover the spikes in demand without suffering infuriating unavailability when you need to get somewhere. Its already annoying seeing all the dock-l…
On the flip side, consider the time you spend looking for parking. Depending on where you live, that's also a big time sink. I'd rather be checking Twitter on the sidewalk than cursing the parking gods looping around, but that's just me.
Of course, a car-sharing application also suffers from the parking issue though.
Personally for me I use my cars most where parking is not a problem (e.g. driving to friends & family, to the shops, vacations etc). I fail to see how ride-hailing is going to make this sort of use of a car obsolete.