I've started soloing dungeons with my Hybrid Templar and I've noticed its far more effective to just spam brawler (even on bosses) with my 2h than any spammable with the 1h + shield skill line.
Not only is it more effective, but it adds vastly more survivability.
Lets compare the 2 AoE morphs that are similar between 2h and 1h+shield.
With Brawler you get: decent AoE damage to cost ratio, with a damage shield that can be refreshed constantly.
With Deep slash: decent AoE damage to cost ratio, -15% damage debuff to enemies.
To me it would make more sense if the extra effects of Brawler and Deep Slash were swapped, considering 1h + shield is an inherently defensive build.
When considering the two options, damage shields are a better option is most situations, outside of maybe a few hard group content scenarios where you want that AoE debuff from Deep Slash.
I'm a fan of 2h, and i'm not necessarily looking for a "nerf", but it's very odd that when im considering how best to solo a dungeon, the better defensive option is to use a 2h and spam Brawler.