I do know what you mean volver but as posters say it’s just an expression of speech really. Anyone who’s inclined to pedantry which you admit you are, is going to be bothered by this, but most aren’t.
The word some or many should be used instead of all but I guess this won’t always happen.
At least you’ve made us think twice now to preview our posts.😁
Locked room for breakables when grandkids stay?
