A group of nudists eat together at a monthly ‘Clothing Optional Dinner’ at a New York City restaurant, Feb. 17, 2005. About 30 people arrived for the buffet dinner no hot soup on the menu — most of them middle-aged, several married couples, some singles, the youngest perhaps in their 30s. Diners must bring something to sit on a towel or, for discerning women, an elegant silk scarf. (Mike Segar/Reuters)

I guess this is what Seinfeld called “bad naked”

there’s just some activities one should do fully dressed, this includes eating and operating heavy machinery.