It's important to remember that modern social media is a complete assault on your dopamine receptors. If you take a look at your feed, a vanishingly small amount of the content Facebook belches up is created by your friends. Instead you're shown content that you're likely to interact with.
That's not to mention that people use social media as a substitute for personally reaching out to friends.
That's not to mention that people use social media as a substitute for personally reaching out to friends.