This is a really clever idea. I have very little energy to behoove myself to get started on fediverse/FOSS platforms, but am always happy if a friend or piece of media provides a link to nitter or otherwise. Making that easier is a good thing.
My snarky frontend response is "devs will do anything to avoid fixing their CSS," but truly the task is too herculean to bother with on any most timescales. (You think "Untangle and reduce CSS bundle by X% with 0% improvement to any real KPI" is a ticket that's ever going to get prioritized?)
As others have said, this might be an interesting way to start zapping bloated CSS assets on aging codebases.
All (or at least nearly 2000) of Mr. Rogers episodes are available on Archive.org. It's really great to be able to share these with our child, and us parents often appreciate the break and quietness more than our kid does!