In our 8-apartment complex, I am the only one who consistently use the chothes lines in the back of the property, for the same reasons all of you have given. On "rules" my father's sister told me that, many years ago, a young lady in their apartment building hung her undies out like anything else, NOT inside pillow cases and sheets. This was noted by the neighborhood ladies; Rachel defended the young tenant by asking why should she be ashamed of her lacy, silk items, unlike those in some wearer's laundry; at least she proved that she did wear such garments--all of which, I am sure, suitably shocked those clothes laundry watchers. I wonder how they hung girdles, stocking supporters and rayon stockings!