When a Karen meets her match, it's practically divine intervention… Good intentions are futile when it comes to ungrateful customers. Why bother attempting to save them a few bucks if they're going to wave you off and demand to speak to your manager? You know full well what's going to happen when they get involved, but the unsuspecting customer sure doesn't. This tale of malicious compliance is of the above example. A waiter took to Reddit, sharing the time he worked as a cashier in an oddly ex…