Don't the fines for halting a line cover the cost of the halt for the manufacturer?

I'm currently working at a supplier for some companies in mostly the automotive sector and the line halt fines per second seem to all be in the couple grand range so I always assumed it should be enough to cover the halt.

Though the QA part is real. There's so much theatre in tricking clients into believing their QA measurements are wrong when something happens it's kinda funny.