Cigarettes don't get less addictive when they are banned. On the other hand, a kid is less inclined to use social media if most of their friends aren't on it. They're less likely to post a video on TikTok if there is a significant chance it will be removed if it goes viral. Even if the majority of kids continue to use social media, some of them will follow the rules and they can avoid social media without missing out on socialization altogether.