It's probably intentional because they don't want people getting upset about unfollows and starting drama. But for content creators it's actually important information for understanding your audience. I had to look up instagram how to see who unfollowed you using third party apps because Instagram refuses to add this feature. Once I started tracking it I realized my follower changes weren't random at all. Certain types of posts would consistently lose followers while others would gain them. Having that data helped me focus on content that actually keeps people interested instead of just posting whatever and hoping for the best