He's clearly indicating that just because it's got a record button in the front, you're free to walk around and vlog all day long. He is not talking about setting the camera up on a tripod with a cage and monitor and talking to the camera from the comfort of your living room. So yes, without a forward facing screen, IBIS, or AF-C, this scenario is utterly ridiculous. As far as the cinematic look goes, this method is unlikely to yield results that will be showing at your local theater any time soon. Unless you give the patrons barf bags for when they get ill from all the camera shake, the wide angle view of your nose and the blurry image.