In short, TikTok virality isn’t great for sustained careers, but it does represent a monumental shift in what it means to make audio as an art.
Source: The Unlikely Odds of Making it Big on TikTok
The length of a tiktok video is perfect to have some audio as the carrier of an action within the video, but it is rarely the main thing to be consumed in the video itself.
How long before someone figures out how to create music via machine learning? Something may already exist that I’m not aware of.