You have to raise your kids for the world that will exist when THEY become adults, not the world that existed when YOU became an adult. These things exist and

You have to raise your kids for the world that will exist when THEY become adults, not the world that existed when YOU became an adult. These things exist and they aren't going away. Kids need to be familiar with them in order to understand the world they will live in. They need to build up tolerances and cooping strategies for spam and online teasing and addiction to it. If you just ban them from it, they'll have no familiarity and no immunity to its temptations. As with everything, moderation is the key.