Again, you're inserting in false plurals to try and save face. Just like there has only been an HP nerf (not HP nerfs), there has only been one (singular) ability nerf that we have no idea as to when it actually took place.
Stop embarrassing yourself with this goalpost moving and backpedaling. The boss was mathematically possible when you whined and cried about Blizzard making it impossible, you were wrong, move on.