I agree, except where you say it's a new phenomenon. Ever since the dawn of YouTube, the maniacal style of exaggerated content has always risen to the top, only

I agree, except where you say it's a new phenomenon. Ever since the dawn of YouTube, the maniacal style of exaggerated content has always risen to the top, only to crash down after a few years. First it was Fred, then Smosh, then RWJ, then Pewds who occupied the top spot of most subscribed channel. All of them having the maniacal, "living cartoon" style. This is because one of the hidden truths about YouTube is that it is a music site first, and a kids site second. Therefore appealing to kids by acting like a kid will always be a successful formula on the platform