Cynically, if this is true, is it possible they switched because of the sheer profitability opportunities of the taxi-industry vs car-pooling. Looking at this,

Cynically, if this is true, is it possible they switched because of the sheer profitability opportunities of the taxi-industry vs car-pooling. Looking at this, i would think that if (and I'm certainly not saying it would/will happen) car-pooling became enabled and socially popular, it presumably both has naturally thinner margins than a taxi service, plus take out significant demand for individual trips from the likes of a taxi service.