That's a pretty bad outcome, since (if "gig economy" businesses drive out regular ones) it will have the effect of making it much harder for disabled and elderly people to travel or even leave the house.
Families, too. Taking kids on the bus or train is fine. If I were to try and use Uber, though, I'd need to also lug along 60lb worth of car seats. One car seat might be manageable, but even then I'd have to deal with the drivers giving me a hard time about installing it.
Is public transit where you live like, insanely expensive? Quick back-of-the-envelope calculation reveals that public transit is around 1-2 orders of magnitude cheaper than Uber for me.
Supposedly un-belted bus occupants are safer than belted car occupants, and may even be safer than belted bus occupants, because seat belts tend to cause spinal injuries. Which is why very few school districts opt to install seat belts in their buses.