Couldn't you say that about almost any information? But the goal is to communicate, and that depends as much on how (effectively) the information is presented as on how compelling the raw information is.
But when a video is about one specific topic and people start posting timestamps along with it to tell viewers when to start watching, it means that specific content’s form is of no value to them, and many others.
People do that? Especially with Kurzgesagt, I can't remember a portion of their videos I've found to be valueless.
Kurzgesagt, here, is an example of professional content without much, if any, fluff.
Contrary to lots of content, professional or lot, which relies on artificially increasing it’s without adding any value. For these videos, people often share the timestamps at which the desired information can be found.
Unlike many supposedly professional or amateurish YouTube videos that just artificially elongate their introduction by repeat the same three introductory sentences in fifty different ways before finally getting to the 20 words-long point.