Big crits dont mean big dps. 
 
The best bow in the game burning good arrows is the Dagarn with a 2h.  Problem is it burns arrows quicker than most fights last. 
 
Even an exquisite though is better than AoW bow.  With solid arrows and a 2h that 32/36 scales better.  That setup on disc is far better than most decent melee weapon setups and you can dodge some nasty aoe's like Zlexak. 
 
Archery dps isnt great, but its situationally handy.  Rangers before AA's weren't snipe gods.  Sorry I remember smoking them with my rogue a lot.   
 
I'd love to see you find a way to bump up bow dps...sure, why not!?  I just dont think it's a bug, or broken, or pointless. 
		
		
		
		
		
		
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