There's an appreciable difference between creating a compelling work within an established medium like literature and inventing a (digital) machine that exploits psychological vulnerabilities (ie intermittent reward cravings) to keep the target engaged.

> Content that they can easily stop consuming by just closing the app.

If staying away from social media is this trivial to you I applaud your self discipline but googling 'social media addiction' suggests a very real phenomenon where people, children and adults alike, often find themselves incapable of self regulating their usage.