SO who is doing this tweak......DEVS, look at old 10 man raiding it is more than just a tweak where they tried to tweak it down from 25 man content, it failed miserably as it still does now. The bosses would have to be redesigned for you to have to handle multiple tanks, multiple healers and have hard enrage caps because the solution will always be throw more healing at it if you do not do this. So then yes you are taking DEV time away from developing real content.....RAIDS