I think it depends on the belt. Washing some types of belts would absolutely ruin them. But yes, people should absolutely be washing their winter coats!
I wash my coat from time to time because I consider and have considered it to be part of my wardrobe. For my belt, I suppose I kinda just considered it as an accessory and it never occurred to me to clean it.
The people that don’t wash their belts are probably also the people that never wash their winter coat regularly.
You’re supposed to wash winter coats?! Next you are going to tell me that you have to wash blue jeans!
You’re supposed to wash blue jeans?! Next you are going to tell me that you have to wash underwear!
I think it depends on the belt. Washing some types of belts would absolutely ruin them. But yes, people should absolutely be washing their winter coats!
I wash my coat from time to time because I consider and have considered it to be part of my wardrobe. For my belt, I suppose I kinda just considered it as an accessory and it never occurred to me to clean it.