Haven't regretted it at all; the tool is a pleasure to use due to its great design decisions. Contributing back to the codebase is also quite straightforward.
Has anyone else run into the issue of having a horizontal scrollbar while viewing videos in full-screen (on desktop)?
There are some hits when I search online for this issue but in my case, it's been happening intermittently for the past few weeks. Reloading the page fixes it. Not sure if I'm part of some A/B test.
I did something similar for my personal favorite illusion, the Ames window illusion. Recreated with CSS: https://brandondong.github.io/blog/ames_window/