Why is it a big deal to have naked pictures online?

If you had somewhat provocative pictures online, what the big deal? Why is everyone so conservative about it? If the photos are taken nicely by a great photographer , why not? It’s not like you are flashing your vagina or penis…

I am only asking because I had a shoot done two days ago and I only started to worry about it. I can’t sleep, eat, I don’t know what to do! I am an artist myself so I won’t work in a business environment… But still, whats the big deal? Why am I feeling this shitty, I don’t want to feel this way. I am fine with being photographed without a shirt on, but why is the society making me feel this way :(?