Originally Posted by
exbayern
Well, I found out why. At an airport where it has been confirmed over and over to me by various people that shoes do NOT need to be removed as a matter of course, Americans were removing their shoes. Not only that, they were ordering other passengers to do so, even when security told them it wasn't required.
I've seen the same thing at CBR. Many times while taking my laptop out, I've seen someone a few places back in line reaching down to take their shoes off.