Allow nudity in secret/private groups on Facebook

Nudity should be seen as "freedom of expression". It's the way we were born. So, the stigma that it is "offensive" in any way, shape or form is horrendous!! People have come to use their bodies as a way to express themselves in this day and age. And, as long as nobody is being hurt and no laws are broken (i.e. child porn) then people should feel free to openly and freely express themselves. How can you say that being "all natural/in the raw" is offensive?? Naked babies are not offensive. So, why naked adults?? As long as there is no exploitation involved of course!! In essence, to prohibit nudity in a meaningful way is a violation of the first amendment.