it's just like a tip when you go out to eat...you're showing appreciation even though that person is still getting paid
people should always get their vehicles back in the condition they're dropped, i 100% agree with you
however letting them know you appreciate them definitely does help ensure...
it's not showering gifts, it's called appreciation for them handling their car and getting it taken care of so it's safe
also the job pays 1.2 hours but realistically takes 3-4 hours to replace