I don't understand the reasoning behind your conjecture but I don't see that happening because of the different modes of interaction. Messenger is more of a 1-1

I don't understand the reasoning behind your conjecture but I don't see that happening because of the different modes of interaction. Messenger is more of a 1-1 channel that focuses on the immediate. Facebook is more of a broadcast channel focusing on passive, asynchronous, entertaining items. WeChat has been successful with the model that you talk though .... Never say never ...