Sonic Drive-In review: store closing before time

Late Saturday night 12/8/2018 me and my family decided on late dinner. We arrived and the store was closed before 10:30. I'm sure the store wasn't suppose to be closed. Employees were leaving and they shut the lights off. This is crazy because my kids love sonic and couldn't get any because of an lazy store manager. Something need to be done to whoever it was on duty whom closed the store 30 minutes before time! If they can't serve customers why are they working at a fast food restaurant? My kids were very upset!