Some people are legends. Others are, as the saying goes, legends in their own lunchtime. They believe hype and thrive on misguided perceptions made about their knowledge or experience by others. To perpetuate this, they try to sound knowledgeable about something they're supposedly knowledgeable about. However, they probably underestimate Aquarian ability to see through this. Your instincts are right about someone's knowledge of something you know more about now.