You are right - many do not come forward because of the potential issues. Can't say I blame them if they don't. I was not exactly happy yesterday to see the bug man accused of being an RSO.
I Googled my own name yesterday and was surprised at what came up. Not only can you find out where I work & volunteer, my Facebook profile, etc. but you can also see a magazine article that I was in that also talks about my family. Um, no thanks.