The Australonaughts strike again.....Canadians might have a rep for more practical knowledge and less theoretical, however the Brits and Aussies are known for trying to make things much more difficult or complicated than they actually are..Cathay having a large number of these types.
Always admired the yanks..they teach ya what you need to get the job done and it's usually always practical.
Don't worry too much about it, use the standard answer..
Nod your head wisely and say "Ohhhhh! I see...."