Why it worked
This video is a segment of a movie, likely intended for entertainment and engagement with fans of the movie. Its success would stem from the existing popularity of the movie and its actors, rather than any specific marketing strategy within the clip itself.
Summary
This video is part 15 of the movie "IM GAME". It shows scenes of characters interacting in an office setting, discussing documents and a medical condition. The latter part of the video features a character driving and discussing a medical condition with a doctor over the phone.