Yes, it does seem like an unforgivable act but .....the conduct of the assembled group at the scene don't seem like they are in any hurry to do anything about it.
Before the melee gets underway with the X-Men, Young Avengers and Avengers, Wanda gives Victor a warning about the power that possessed her which is given the name Life Force by Allen Heinberg.
Bendis never bothered to explain why Wanda suddenly had the level of power she did in Disassembled, which were explained in the West Coast Avengers arc Darker Than Scarlet. Short answer: It was all Immortus's doing. But after Eli took a shot at Doom and caused the Life Force use Doom as a host, Doom gives us an idea of how much power was transferred .... and it his assessment is correct than any mere mortal would have difficulties containing it. Wanda couldn't...she was almost like she was in a trance during Bendis's opening issues of Disassembled.