No, a 30 second tiktok clip cannot give you the same type of knowledge that a 300 page book can. That is such a silly thing to say, that I can only imagine you heard it on tiktok.
To play devil's advocate, it has become common to simply read a plot synopsis on something like Wikipedia rather than engage with the book/movie/show/etc. be it for lack of time or interest. This brings one up to speed with the content of the media and is often interesting enough to be worth doing while also taking 1/1000th of the investment. Such a synopsis could be reasonably condensed into a thirty second video. Obviously this is not an equivalent experience to engaging with a 300 page book, but the information conveyed is undeniably the same type of information. Having such information packed so densely, if imperfectly, was unheard of even twenty years ago.
You can summarize Margin Call with a paragraph, but in no way capture the spirit of the movie and the various implied subplots. If you don't care about a movie or a book, don't consume it or just read a summary. But don't pretend you've done the actual watching/reading.
