Canonical's Alan Pope discusses the ZFS pushback

"ZFS on Ubuntu gets new prominent criticism from Richard Stallman and we launch into a wider discussion the underlying message in these recent statements"

http://201406.jb-dl.cdn.scaleengine.net/linuxun/2016/lup-0140-432p.webm

This is from the Linux Unplugged podcast at http://www.jupiterbroadcasting.com/98791/blame-popey-for-zfs-lup-140/