You may read the warning on a Steam Iron cautioning people to “Not Iron clothes while wearing them”, and wonder which poor soul got sued to have to put THAT there. But there’s a very, very good reason why McDonalds has to warn their customer that there coffee, is HOT. Here’s the documentary that tells the real story that you ought to know. So next time you’re joking about another silly warning,don’t fall prey to bad journalism and find out the REAL reason.