You don't think Black kids and girls of all races get shown Tate videos too? They do. The difference is who responds to it, likes it, searches for more, favorites, shares, comments positively on, Tate videos. I'll tell you who: losers that hate women and girls.
Recommendation systems don't magically know what you like before you've interacted.
The whole fitness industry sells stuff! But again, not everyone sporty goes fash. It's not fitness, or sports, or masculinity.