He indeed teeling us the most fundamental thing in videomaking. You who are also doing video, should be thinking further to get a fancier gear, upgrading your canon camera to mark 3, buy some red band lenses, or even upgrade to cinema camera like C300, or even arri alexa, or RED, or at least blackmagic pocket camera if black magic 4k is slighly unaffordable. But in the end, those gear requires a creative person to establish a creative output, and creative output can be achieved even with $100 camera system and $50 audio system. Yes, everything is possible, and for many of us, it is very important to create something first before thinking about upgrading our gear to the next level..
Who doesn't want this full war gear afterall?