They Help out there buddies before you despite waiting in line. Genuinely suck at there job

I recently had my oil change in October. I had to get it done because I was going out of the country for a month. But a month after (November) I got back and drove it around, my suv was empty on oil.

My niece had her oil changed here recently. Usually, when I get an oil change service, they explain everything that they are doing throughout the entire process. They did not do that here. They didn't