Facebook recently started pushing its videos content more than photos, 2 years back facebook was all about pictures and likes, Now we're pushed with videos to watch which includes shows, live videos and news.
Facebook has always tried to be the social media with everything. Now since video content is in its prime especially due to youtube, Facebook decided to monetize on that. We are constantly fed with videos from facebook.
Facebook also has introduced in-video ads from last year. As we are constantly consuming video content from these youtube and facebook algorithms, We are at an information overload