Odd and different 'times' here in the Net/FB/blog & GOOG era...
I hired people for 25 of the nearly 3 decades I 'worked'. It was very different 'then', even as recently as 2000, when I last 'worked'. References were checked thoroughly and, starting in the mid '90s on, we ran driver license, (sales people were getting a co. car and had to freakin drive), and a credit check.
But, GOOG, FB, and a ~$50 background toss didn't exist...
I suppose 'today', if I was still doing what I did: hire, train and manage sales and mkt'ng people, I would use the Net for GOOG, quick background checks, etc. Not sure I would care about someone's FB, though I could find that now in a NY minute. And, 'interesting people' usually made the best sales people in my old experiences, so if someone had an 'interesting' or unusual FB page, I doubt that would be any deal breaker.
I agree with UCrew: unless I goof up posting, there is nothing I put up on FB, or XOutpost, or any of the boards I peruse, that I have any concern over someone reading.
Everyone thinks they are PIs these days, and if someone puts up a stupid pic or post, it seems to hang, like a Scarlet Letter, for way too long. PC and Kumbaya BS, imo.
Different Times, a good album by Lou Reed, from the '70s...though not for most of the younger listeners here,