Except social media as a concept isn’t the issue. I’ve been bullied before social media was mainstream. A little later in life, when internet as a whole was majorly taking off, it helped me actually socialize. I met people some of whom I’m friends to this day, but more importantly - I could meet people to go out with, to talk to.
Should we ban schools then? Because school grounds are famously place where the most bullying, especially kids 5-13 (which you highlighted yourself), is happening. Or maybe ban real life interactions? Because you can meet someone who will bully you or be of bad influence?
We both know that’s not the right way, just like banning social media is not solving any problems. It’s just a convenient argument to introduce internet-wide surveillance, as well as to take away any autonomy or rights kids may have. Instead of investing in moderation, and actually scrutinizing big tech, which is the real cause of more bullying, shorter attention spans, and whatever else people say is wrong with the kids these days.