This is similar to the other issue with similar name:
This one is quicker to implement as it's just about video websites that allow you to do site: search for the channel names
https://www.tiktok.com/@showtoolsai/video/7561970574558334238
you can just have the 'show more from channel' button do:
site:https://www.tiktok.com/@showtoolsai/
https://www.facebook.com/LinusTech/videos/linus-tech-tips-faces-the-water-waves-ad/632691933234874/
would do:
site:https://www.facebook.com/LinusTech/videos/
NOT TO BE MERGED WITH https://kagifeedback.org/d/9398-video-search-show-more-of-channel-youtube-others-that-require-api as they're different approaches, different implementations that both make sense