If you want to filter traffic at home, I don't think it's that hard. There's a whole industry trying to solve that problem. Google "internet family filter" and choose one. Your ISP probably provides one as well (my last 3 ISPs did) I'll likely use one as well when I have kids. But I'm absolutely against any government program to enforce the same.
But my experience is much different. Apart from sexualised models advertising things, I've not run into anything (by accident) I wouldn't share at a family table.