They used passenger airplanes in 2001.
They use tons of cars. Yet, they still are being bought and sold by the millions.
I personally believe it's kinda like when cars first came out... People were being run over daily, engines were much more dangerous, and there were no "laws" so to speak. People got together and figured some stuff out, they made laws, see what worked, realized they couldn't be overbearing and say, "hey, you can't go faster than 20mph anywhere, ever". They made the laws reasonable. I feel like that's where this is going. It's still early.
Time will tell.