The federal government is to re-examine a parliamentary report into the aged care sector following explosive allegations against a retirement village operator.The company, Aveo, is accused of exploiting vulnerable seniors by making them pay excessive fees and providing inadequate care. 86-year-old John Hayto,who resides in a retirement village in Melbourne run by Aveo, says last year he fell at his unit and was left there without food, water or his medication.He was found by a cleaner five days later.