Overtuning Bosses?

When Hyjal Summit came out guilds on this server completed the entire raid instance that night. I have no idea how the guilds felt about that so I come to the forum to ask these guilds, What are your feelings about Warmane overtuning bosses at release to make the encounters much more difficult and put the "challenge" back into it? Then, they can slowly make the encounters easier if necessary. I am well aware that it is not "blizzlike" but since 2007 when this was originally released, the skill and knowledge of players playing TBC WOW has substantially increased for end game raiding guilds. Please offer your thought and be constructive.

It's what the raid is. You want to overtune bosses where it's really not needed? The game is 10 yrs old, tactics are known. Plus, not everybody got time for that ****. Some just wanna see content. You even downed KT yet?