[chucknelson]

I'd be more interested in understanding why they chose to implement their own file system instead of adopting something like ZFS.

No doubt there is reasoning in there besides the "we are an evil company" logic - Apple developers are people too...

[Chyzwar]

I just do not understand rationale. File systems is hard stuff, instead taking something that is probably best file system around they decided for long and painful road. Note that they worked before on OpenZFS in Apple ....