Tinfoil Hat Take: Avoiding screenshots on the project page drives eyeballs to YouTube, which the provides ad revenue, which then feeds back into the project.

Or it might just be a sign of the times. Many folks seem to prefer video as a way to convey and use information.

Many folks also do not and prefer docs

Indeed. And I prefer documentation, myself, if given a choice between some words and pictures on a website or a video.

However, not everybody shares these proclivities.