Not so sure on the snapchat thing, because I know nothing about snapchat, but on the wider issue of the celebrity icloud breach and the bit about "someone else is
incredibly likely to view them" - People doubtless get up to all kinds of stuff in the privacy of their own homes, and the why oh why bit about why those celebs were taking the photos in the first place is trademark dailyfail bollocks. Their biggest mistake was to expect that a password protected backup system run by a blue chip company would be reasonably secure.
It's not like the old voicemail access that defaulted to 0000 as a password, and even the fcukwits at the News of the World could guess it - you have to set a password.