I don't know the nature of that website or it's audience, but the comment section if full of people desperately seeking out any minor objection they can come up with to. What about crime! And space! And the cost! I'll never understand this knee-jerk opposition to these kinds of changes. Do people really think pumping stinky, flammable liquid into their car and setting it on fire is the ultimate transportation solution? I feel like the same people who complain about not having flying cars are the same people who would complain if we did.