While his comparison is a bit off-kilter, it does bring up the point of GW2 relating to the FPS style. In an FPS when you take down an opponent, many games have revive systems or something similar to downed state. However, when have you ever heard of being required to run up next to an enemy to finish them off? You'd get murdered instantly. Now, GW2 is different since you can tank DPS and maybe pull it off. That is part of the weird "strategy" that is being theorized. However, does that really change how silly its behavior is? Would an FPS make sense to have run up close 5 second knife kills? Would it be more legitimate if you could take on 100 bullets similar to how you can endure in GW2?
No, none of it makes sense. Any dynamics you pull from this feature is branching out on something that is fundamentally flawed. I'm not going to harp on this any longer but downed state needs to be overhauled for PvP. I do not have to try out a feature that is objectively nonsensical and only hope ANET wises up.