I've never hard of people making conversation by telling them how they're doing things wrong, except when it comes to raising kids. How often do you hear stuff

I've never hard of people making conversation by telling them how they're doing things wrong, except when it comes to raising kids. How often do you hear stuff like this from random strangers: It's too cold for shorts. You're pushing that shopping cart wrong. You need to wash your car. That's a lot of ice cream in your shopping cart, maybe you should try eating something else.