Why if I make a appointment at 2pm to have my gran...

Why if I make a appointment at 2pm to have my grandfather's car to be service oil changed filters etc....why must I be here for more than 2 hours!!! I will take it to Goodyear instead I swear I feel sorry for some of these older people it looks like they have been here all dang day shame on you! Go somewhere else! I promise they are faster....