Why it worked
The video uses relatable humor and a common gym-goer's lament about genetics to hook viewers, then pivots to a subtle promotion of a fitness app, making the call to action feel more organic and less like a direct advertisement.
Summary
The creator humorously suggests that her physique is due to genetics rather than hard work, but then reveals that her "winning glute program" is available through the Ladder fitness app, which she promotes via her bio link.