This scenario has more than likely, already played itself out.
Now, courts are allowing, ALLOWING, FB and Twitter and other social media posts to be admissible in a trial as evidence.
Are you protecting your private data? Checking into a bar or restaurant not only tells thieves that you're not home, but also lets me know where you're using your credit card.
Further, if you're a business owner, imagine your info getting distributed by a disgruntled employee.
Protect yourself. Play rugby with abandon.
Play on the internet like a Soccer player, cautious and over-reactive to the slightest bump.