Definitely not. ZFS was primarily focused on spinning disks. Take for example the fact that the project discarded block indirection early on: the resulting rand

Definitely not. ZFS was primarily focused on spinning disks. Take for example the fact that the project discarded block indirection early on: the resulting random reads would be basically fine on SSDs and debilitating on HDDs. Ditto TRIM which is still not (IMO) fully baked in ZFS.