One reason neither the article nor the comments here are mentioning: lots of videos are now designed to be Content in an Endless Feed, and are made with the int

One reason neither the article nor the comments here are mentioning: lots of videos are now designed to be Content in an Endless Feed, and are made with the intent of capturing your interest even if you're sitting there with your phone muted. Text floating on the screen increases the chance of making you stop scrolling and rack up that precious view count.