Yes, but if they didn't know about the Clark Kent part then only knowing Superman was real wouldn't be bad. It's the fact that nearly all of our secrets can be read/watched/sung about here that screws you over. What would you even do then?
I'm the one doing all the hard work.
Never happen. And we're not going to test this out to see which of us would win, Clark Kent. I will pull the injured party card here if I have to.