Originally Posted by leggs

And I'm sorry, but the....
It doesn't smell like pee or it doesn't look like pee...

Is really a bad justification.

Can you imagine boyscouts on a wilderness trip using the same logic???

"Well the pond doesn't look poluted and it doesn't smell poluted. I guess it's ok to drink."

Following that same logic I finally figured out why so many tourists in Mexico get diarehha when they visit.