This has always been my suspicion, considering older videos (or just videos with not a lot of views in general) tend to take noticeably longer to load. My imme

This has always been my suspicion, considering older videos (or just videos with not a lot of views in general) tend to take noticeably longer to load. My immediate assumption is these videos are not edge cached, so naturally they want their platform to avoid delivering these types of videos. They would rather stick to the well-cached, proven popular videos that are currently circulating.