I didn't enjoy the level caps in CoP. I enjoyed the content. The level caps were necessary because those areas and fights were balanced for level 30, 40, 50, or 60, and would be utterly broken by a level 75 rushing through. When the devs made CoP, they had the option of either capping the areas, optimizing the entire expansion for level 75, or letting people get a different experience solely based on whether they want to overlevel for it.

CoP's level caps were a pain in the ass, but totally worth it.