My daughter swears she saw some kid walking home from school wearing a helmet. Not biking. Not skating. Nothing that looking like sports equipment. Just a helmet. Sometimes bad things happen and can’t be prevented.
Some children who have bad cases of epilepsy or other disorders which causes seizures wear helmets to prevent injury when (not if) they fall down due to a particularly violent seizure.
Hmmm. I know there is some kind of condition/syndrome that affects equilibrium, maybe he was a sufferer...or he lost his skateboard on the way home.
Epileptic? Recent skull surgery? No matter. It’s nobody’s business.
Sometimes kids who have had an injury to the head or surgery on the head will have to wear helmets as extra protection.