alt Hacker NewsText is very information-dense. I'd much rather skim a transcript in a few seconds than watch a video.
There's a reason keyboards haven't changed much since the 1860s when typewriters were invented. We keep coming up with other fun UI like touchscreens and VR, but pretty much all real work happens on boring old keyboards.
Here's an old blog post that explores that topic at least with one specific example: https://www.loper-os.org/?p=861
The gist is that keyboards are optimized for ease of use but that there could be other designs which would be harder to learn but might be more efficient.