I gave up checking out items from my city library when they stopped waving the fines I incurred everytime their staff would shelve items without checking them back in. It would come to light whenever the next patron checked out the book.
It even happened to me with multi-CD sets, they’d scan one and say I still had the other 2 or 3 in the box.
Their staff wouldn’t do THEIR job and I refused to pay for their mistakes.
I got so sick of paying late fines, I just buy used books of new ones on sale. I love libraries and was going to make a donation to purchase new books, but after their last stunt, I invested the $500 in my own library.