Considering that YouTube is still wildly successful and TikTok is now showing me 5+ minute long videos I really don't think this theory holds up. I would say s

Considering that YouTube is still wildly successful and TikTok is now showing me 5+ minute long videos I really don't think this theory holds up. I would say short-form content found a gap in the market and now exists in addition to long-form content without replacing it.