in bay area, it absolutely makes sense to invent uber, because the taxis were awful. and in vancouver (canada), they're also awful, and deserve the disruption: they would often tell you it'd be a 40 minute wait, and then just not show up
taxis in new york were and continue to be totally fine. you just stand outside and get in ~20 seconds later, with no hassles or apps. i've been in an uber/lyft a handful of times in nyc, but they're just worse (possibly cheaper, but the subway also gives them stiff competition, and i don't care that much if i'm in enough of a hurry to take a cab)