Tik Tok is almost the new Vine, but less restrictive and more engaging. The biggest assumption the article makes is that even in case Facebook were to try to buy out creators for Lasso, making new content is hard work and Tik Tok creators have spend hours and hours putting together the followings that they have.
It's not easy to convince such passionate and fan-driven folk with built audiences to switch, it's almost as if Vimeo started trying to pay YouTubers to switch to Vimeo.