With any group of people in life, sad things happen, and crazy things, and happy things. When you're in the public eye, it's just amplified, that's all.
During a big rock show, you can flub a few things and nobody will hear it, because it gets buried under everything else.
As I have practiced it, photography produces pleasure by simplicity. I see something special and show it to the camera. A picture is produced. The moment is held until someone sees it. Then it is theirs.