Why does it go on about running homebrew when that is something you cannot do on a 360 by just changing the optical drive's firmware (which is what they state h

Why does it go on about running homebrew when that is something you cannot do on a 360 by just changing the optical drive's firmware (which is what they state he was doing)? Well, technically you could flash the optical and then use King Kong's unverified shaders along with some old exploits to get to running homebrew, but it is not really realistic.