It blows my mind because these guys have a name but they are not promoting it. We had so many recreational bodybuilders and gym bros as well as judo jerkoffs making SERIOUS money writing books, articles and doing the whole "media buying" to build up their credentials as some badass underground trainers to the very high end athletes and CEOs. They end up bullshitting their way to reality of becoming trainers to the stars and high society.
Yet real fighters don't do fuck all about it despite having a head start with already being somewhat of a star. Seminars, private lessons, supplements, workshops, brand building, gym affiliation and franchising is what they are missing out on.
Closest example that I can think of. Gracie Jujitsu did well with it. I guess Royce is the perfect example.