Could it be that these kids are literally being followed by adults with cameras on them at all times? Could it be that they're walking through cities where people don't drive ford f15,000s 30 mph over the speed limit?
No, it must be because japan is "homogenized" and makes pedo porn
That's still pretty normal here in the UK from about 9 or 10 years old. Though many get dropped off, by 11 (start of secondary school) it's universally usually bus or walk.