This manager may have been irritated, but the rest of us can applaud this customer's success at bending the rules for his own gain. Sure, finding loopholes and using them to one's advantage can sometimes lead to unruly behavior, but this time, the customer achieved something most shoppers can only dream of: a loophole within a store's strict return policy. This thread was posted to Reddit's r/MaliciousCompliance subreddit by u/dubilendar , who shared that he had just bought a series of items fr…