I enjoyed it for what it was. Continues the Igloo trend of using uncanny valley CG (FFS the humans look like they spent 5 minutes in Blender on the animation, mechs and environment are amazing though) to tell OYW stuff from the Zeon side. They did a fantastic job depicting the Gundam as a terrifying menace. Unlike Igloo, there's no way really to make this jibe with existing UC canon, so it sits in with other alt-UC stuff like Thunderbolt and Origin.
If nothing else, it's only 6 episodes. Can't hurt to give it a whirl.