Instagram users can be very brutally honest so "hide your story" could also mean that someone dislikes your content and they no longer want access to it. This generally occurs when a user shares explicit content in their story.
|What Does Hide Your Story Mean On Instagram?|
Similar to Hillary Clinton's "delete your account" tweet, the Instagram user could be a troll attempting to make you feel bad about your content.
Earlier this year, the company announced that the IG community currently has over 500 million users. The number is very impressive, especially since Instagram can now do everything that once set Snapchat apart from the competition.
While Snapchat has over 100 million users, they'll soon learn not to mess with Facebook. Mark Zuckerberg attempted to buy Snapchat for $3 billion but Snapchat turned down the acquisition offer. Since then, Instagram has become Snapchat. If you can't beat them, copy them!