Originally Posted by roccobike

Unfortunatley, this mechanic speaks the truth. A 60 degree bend is substantial. Bending it back, rarely occurs with just one turn of the tool, usually there is some fine tuning after getting it close to perfect. Also, it could have been bent in two directions making it more difficult. If it were my bike, I'd ride it after being fixed, several times. If it shifts fine after a month or two of riding, I'd sell the bike, disclosing that the hanger was straigtend. If it's "soft", i.e. too damaged to hold the derailer properly, you'll know within a month of riding.