The capability to share content on Instagram without it being visible in the primary feed addresses a specific need for targeted communication. For example, a user might create a story for a specific group of followers or engage in direct messaging, thereby bypassing the general visibility of a standard post.
This functionality offers distinct advantages, including increased control over content distribution and enhanced privacy for certain interactions. Historically, the primary focus of Instagram was broad public sharing. The evolution of features like stories and direct messages has allowed for more nuanced forms of communication, catering to diverse user requirements.