Wash socks inside out or not?

[One]

I figure you're supposed to wash them inside out but I think it makes more sense washing them the normal way.

Physical crud will be on the outside of the sock, dirt from shoes, the floor etc. Whereas the inside will just be foot sweat. If you wash them inside out surely all the physical crud will be held within the sock so when you turn them back the right way all the crud will still be there?

Thoughts?

 

[One]

I don't wash anything inside out.

I think the problem is the metal can get hot and melt stuff if it makes direct contact. Probably not an issue with todays 30C washing though.