If I own it, it's none of your or anyone else's business what I do with it. One should neither pass judgement on how I use it, why I use it, or if I use it, because it's mine (provided what I do with it isn't criminal in nature). Dislike != ok to take my shit.
Hummmm... Too optimistic. I think the driverless car thing is going to be hampered by rural living as well as the dependence on fossil fuel. Refueling is still a major limitation to this. I don't want my vehicle parking 5 miles away from my work using up more fuel at my expense. It sounds like a recipe for me hating cars in general.
This kind of thing would also give techno terrorists a very easy way to cause havoc on the masses... I think we would need to take cyber security quite a bit more serious before this could take place.
I've used both, and prefer btrfs in terms of implementation. For some reason the use maintenance and control feels more Linux to me. ZFS feels more Unix, which makes sense given the lineage.
The raid arguments against btrfs are silly. Raid 5 is quite unnecessary, particularly with these kinds of file systems. I can only assume people making this argument have never maintained file systems of this type and clearly don't understand how to implement it correctly.
Both ZFS and btrfs are the future though. If admins aren't seriously considering one of the two for thier server infrastructure then they probably shouldn't be admins.