Weren't early versions of docker based on lxc? Not that it matters for the point you are making, but it's just interesting that docker decided to drop lxc, and

Weren't early versions of docker based on lxc? Not that it matters for the point you are making, but it's just interesting that docker decided to drop lxc, and I'm glad lxc was able to survive (assuming docker folks contributed meaningfully to lxc when they used them...)