Quote Originally Posted by Looper
The other similar idea, that they might have been speaking Arabic as a deliberate wind-up, occurred to me too.
What do you mean "too"?

I've been in many airports in America and Canada, and I've heard lot's of people speaking Arabic. We are nations of immigrants, as is Australia (come to think of it, I heard people speaking Arabic in Sydney airport as well). It doesn't alarm me.

They should sue.