He's a great designer and has some wonderful advice, if you can wade through the verbiage. But yes, it does have a certain smell.I feel like that was everyone's shtick in the early internet days. Angry Jo, Angry NES Nerd, Angry, angry, angry... My guess is it's an easy way to boost engagement, seem confident, and have a comedic writing angle?
But yeah... pretty lame IMO. I'll put up with it as long as there's something of value to be had. In which case, Angry DM really does have a uniquely good and informed opinion on running dungeon crawls.