I'm not entirely convinced by his arguments, "oh, if you want the features of zfs you just this bunch of other stuff and it will come in more performant, stable and less buggy than zfs".. Even if that was the case, I don't feel convinced that I would be as capable of recovering from a disaster with that many moving parts.

"Unless you have ECC", of course I have ECC, it's for my file storage.

That said, there are valid points and something to be considered, especially the licensing stuff is a bit scary.