tl;dr
A designer stating his personal opinion against grievous wounds' existence in game versus simply adjusting tanks and bruisers.
and
A PBE change that is currently being tested within the PBE that may or may not make it into the game that just affects Dragon.
Your title makes it sound like there is an internal conflict of somekind, which there might be on a 1-on-1 basis. He's not "poised to remove it" he stated an "IMO", don't sensationalize bro.