Since Facebook bought Instagram, it has been quite enjoyable to watch which features Facebook borrows from Instagram and vice versa. Moving Instagram towards more of a News Feed will probably improve the interface for most users
We definitely need better filtering on incoming feeds so we don't inundate our attention-spans. But Facebook's curation algorithms are one-size-fits-all. While that might work for a general search engine looking for information in the wider world, it's dangerous in personal communication. You suddenly have a third-party deciding and making value judgements about what you should or should not see.