As real not snarky rhetorical questions - how does an aging populace get around a city without cabs? When I injured my leg last year I found just how unviable

As real not snarky rhetorical questions - how does an aging populace get around a city without cabs? When I injured my leg last year I found just how unviable it was to commute by crowded subway during rush hours on crutches. It gave me sympathy for the disabled and elderly. For all their faults, Uber and Lyft were the lifeline which let me get my kids to school and get myself to work until I healed.