Used ironically when describing one's action or decision that the speaker thinks was particularly stupid or ill advised. The management, in their infinite wisdom, decided to cut employees' benefits while demanding that they work even longer hours.

What appears as exceptional intellectual and/or creative capacity is actually the ability to continually exert great effort and attention to detail. Maybe these designers are born with some innate brilliance, but their designs are the result of a laser focus on getting all the details right. Ultimately, genius is an infinite capacity for taking pains.