Just three sheets of paper at a time? That doesn't seem like a lot. I bet I can fit more than three in there. What about ten? Lets try ten.
That's the mental processing that goes through one's head when disregarding a friendly, smiley face laden warning. Obviously we are not meant to learn from others mistakes....
And the result of ignoring such a message is a good twenty solid minutes of battle with the shredder while wielding a letter opener.
In the end we were victorious. And being the smart EMTs that we are we decided a more direct warning might be more effective, because really the shredder can't handle more than THREE pieces of paper. Ever. No matter who you are.
Hopefully that exclamation point is more effective than the smiley face for the next guy.