Originally posted by Fzanco:

A game that provides a challenge is now bad? It was easier and way more easy to be overpowered before, people complained about this. Now people are given more of a challenge and they whinge it's too hard. Just play the game more than you whinge and you might enjoy yourself for once.

Its not a "challenge"
Its tedium and an unnecessary re-work of the Health/Stamina system.
The game was "challenging" enough as it was. We just wanted more content.