This seems interest, but why do these kind of posts get a lot of likes here so fast? When it is a book, it is understandable because you can assume a good port

This seems interest, but why do these kind of posts get a lot of likes here so fast? When it is a book, it is understandable because you can assume a good portion of the upvoters actually read the book, but do people who upvote this kinda of “course” content even opened the link?