There's a growing sentiment that a lot of social media is more bad than good for us. But people don't just stop with a behaviour that they know is bad for them. We need a lot more to change a behaviour that has become established.
https://ourworldindata.org/which-countries-smoke-most
I think social media lands somewhere between tobacco and sugar. We don't need tobacco. We need carbohydrates but not refined sugar. Social media can be useful sometimes, but is often a disservice. The feeling of usefulness probably makes it more addictive than smoking. At least for me.