I usually weigh the pro-government anti-government balance based on whether the government likes them or fights them ..... or if they would be better off if the government didn't exist. To me, this part of the transportation market is the least pro government.
I would guess that you should stay far away from these services if privacy is your concern, since you push a button on an phone, someone finds you, takes you somewhere and then charges your credit card. So not good in that way.
I need to contact Don and Cathleen to see how they liked their hybrid car. Otherwise I am leaning to a 2006 or older VW diesel.