Moggi blames Inter's management for Balotelli's deteriorating relationship with fans.
He said: "(Massimo) Moratti and (Jose) Mourinho have made mistakes in managing Balotelli.
"This back and forth routine has not been good for his development. Balotelli would have never behaved like this with me.
"By now he is destined to leave also because his agent Mino Raiola isn't highly regarded in Milan, as the sales of (Zlatan) Ibrahimovic and Maxwell show.
"I have always had a good relationship with Raiola also because I have always done good business with him."