Something simpler like this casts a much wider net in terms of who it can attract, and I recall another similar technical manga like this one going viral, so this was probably made to try and recapture that success.

While it's true that the highly detailed docs are useful (practically mandatory ;>) too, the manga/comic approach is very good for intro material for some audiences.

eg people whose concentration spans reject slogging through large volumes of text, but readily take in the visual aspect

I happen to be one of those persons. :p