> She says wall photos had become boring to her audience anyway, who are more interested in entertaining Instagram Stories than flat photos.

So it seems like the goofy Snapchat posts have taken over Instagram walls organically after Stories was introduced. Bad for Snap I guess.

To elaborate, Snapchat was all about My Stories, with no way to add still pictures to a wall. Now, look at Balenciaga's Instagram profile, which could as well be snapshots taken mid-Snaps.