Aunts and uncles without swimsuits sunbathe

Why are swimwear generally needed? If you come to the beach to sunbathe, then you should not allow some parts of the body not to sunbathe under the hot and scorching sunlight. It is in this that these are all the nudists that you see in front of you now. Nobody asks to shine with their pussy and boobs, although no one pays attention to this, people are used to it!