The other really cool use I've seen of this style of stitching is emergent songs. Here's an example: https://www.tiktok.com/@patwhoisnice/video/69158104300531089...
The average follower count for even just a regular user who has maybe 1-2 good videos can be in the low thousands.
Since it's just senconds long and users will switch if they don't like the first few seconds, the sunk cost is relatively low.