I would argue higher legal accountability as they are subject to the host country's laws. If you are at a US airport, you are at the whim of US border officials. If you are at a Canadian airport, you have the right to turn around and leave.
> If you are at a Canadian airport, you have the right to turn around and leave.
Well maybe. What happens when you try to exercise that right? If it turns out that those US border officials falsely imprisoned you (under Canadian law - if the Canadian courts are even willing to hear the case), what consequences will they face?
> If you are at a Canadian airport, you have the right to turn around and leave.
Well maybe. What happens when you try to exercise that right? If it turns out that those US border officials falsely imprisoned you (under Canadian law - if the Canadian courts are even willing to hear the case), what consequences will they face?