"With great power comes great responsibility." - Voltaire The thing I see missing the most in mainstream martial arts today is humility. You can't go farther than a few blocks or switch a few channels on the TV before you see someone talking about being the best or GOAT (greatest of all time). From my point of view, this is a real problem. What we are teaching our students, young people or society for that matter is that hype matters most and nothing could be farther from the truth. Long ago, a well known martial arts teacher told me that the most important thing a teacher must know is, "How to grab hold of market share." This was the most ridiculous thing I had ever heard. To him, it didn't matter if you were good or if you were even qualified. All that mattered was that, "People thought you were the best or thought that you knew what you were doing." This idea of being omniscient does not exist in the martial arts.
What I do know is that none of us can know everything and that most times the person tooting his own horn is probably the person who knows the least or is the smallest inside. What you don't know isn't the problem. The problem is in not having the humility to own up to it. In as far as winning goes, there is always an element of luck where your supposed winning streak could end with just a slip. In sumo the person who wins the tournament never bashes anyone nor does he toot his own horn. The winners always say something to the effect of, "I did my best and I promise to work harder for the next tournament."
Today bad examples of sportsmanship or constantly talking about how great we are only shows how small of a person we are inside. To be the best isn't in winning or in how much money we make. Being the best means having an attitude of humility that is coupled with responsibility. Therefore being the best means that you must be the best. To be the best doesn't have anything to do with what you do in as much as who you are.