I used to get scared whenever my family would go out to restaurants and places advertising that they needed more employees, because I thought that "Help Wanted" signs meant there was a Wanted man on the loose in the area, and that they needed help catching him. The question of why a restaurant was advertising this never occurred to me.
A childhood belief about excursions

others believed things like this
- When I was little, I used to think the commercial advertising the Mitsubishi car was actually a Mr Fishy Car.Anon
- I used to think that "No standing signs" meant that you weren't allowed to actually stand in the area!Anon
- I used to believe that the "Employees Only" room in the back of the store was where the employees lived. — KewlKid
- When I was little I thought that my urine was stored in my scrotum until I needed to wee.— Bryan
- When I was a kid I took two showers becaue I thought my hair was a plant and needed the water to grow— Tim
- I used to believe that "gluten free" meant you could eat as much as you wanted without getting full or fat— Jess