Because such an explanation will lead to: 1. Near-zero conversions. If you aren't already using ZFS, you aren't going to start just to use this service. And If

Because such an explanation will lead to: 1. Near-zero conversions. If you aren't already using ZFS, you aren't going to start just to use this service. And If you do use ZFS, you likely know what `zfs send` does. 2. The few conversions that do happen are almost certain to be high-maintenance.