FB also has a Stories feature as Instagram, in turn from Snapchat, but I barely see anyone use it while everyone and their cat (literally) use Instagram Stories.
Also, FB took a more advanced friend list concept from Google+ but few use or know how it works. (Like how “Acquintances” are your friends but they are pushed down by the algorithm)
It is apparent that it’s hard to just shoehorn different usage patterns due to different social cultures evolving on the respective networks. Let’s see how they do this time...