I hestitated posting because I sort of agree with neiljames.
I think women do it for safety reasons and to check he isn't married. There are a lot of chancers doing OD and if you can find out a bit about them beforehand so much the better, but men don't seem to think about it.
I always googled my prospective dates before meeting them, and was open about it with them. Every single one of them was really surprised and thought it was a little odd. None of them had googled me.