How to Spot a FAKE Instructor (McDojo & Bullshido Warning) So you want to learn martial arts or self-defense? Great. But how do you know you're not wasting your time and money at a "McDojo"? 😱 It's not just about the money. The real danger of a fake instructor is the deadly "illusion of safety" they sell you. The techniques you see in this video are called "Bullshido"—flashy, theatrical moves that will never work in a real street fight and could get you seriously hurt. As a professional martial