What are you talking about, of course we do. Of course I do.
Giraud of Haven AKA Phoenix IX did not "flip his wig" and was not "manipulated like Jean", Giraud was infected with a psychic virus.
Due to Giraud's unique bond with the Phoenix Force, the Force worked with Giraud to burn the virus out of his system. Giraud, as Phoenix IX then went on to disinfect the ship as well as burn away the virus his fellow sick Guardians.