The risk is that someone will take you seriously.

From the BBC:

The Minneapolis airport toilet where US senator Larry Craig was arrested for allegedly soliciting gay sex is now attracting tourists, say airport staff.

"People are taking pictures," Karen Evans, an information officer at Minneapolis-St Paul international airport, told Associated Press. ...

"We had to just stop and check out the bathroom," said Sally Westby of Minneapolis, on her way to Guatemala with her husband Jon.

"In fact, it's Jon's second time - he was here last week already."

Royal Zino, who works at the shoeshine shop next to the public lavatory, said "it's been crazy".

"People have been going inside, taking pictures of the stall, taking pictures outside the bathroom door."

I have a vision in my mind of Mrs. Westby confiding the following to a friend at some point in the near future: "I'm a little worried about Jon. He's been to that Minneapolis washroom stall 37 times today. He says he has diarrhea, but ..."