On Correllia Run almost all of my random groups besides maybe 1 or 2 have been fine. Hell most of the time they are down right fast. If anything I'd say the T-1 HM's are too easy. They remind me too much of running heroics at the end of WOTLK.
At the time of release in WOTLK, when Eye of Eternity was the top tier raid, there was an analysis run on all kills mobs made against players through out the history of WoW.
Loken, in Heroic Halls of LIghtning, at that time, was the number one player killer in all of World of Warcraft. By a good measure.
Your argument is invalid.