It's not that black and white. They were at a public conference surrounded and within earshot of many people they may not have known. If you're at home, then t

It's not that black and white. They were at a public conference surrounded and within earshot of many people they may not have known. If you're at home, then that's private and you can get naked. But you can't do that anywhere at a conference. The conference is 'mostly public'.