No, canadians are well liked. The war is between the governments because canada wouldnt allow the air traffic to increase for the native emirati airlines. They kicked out the canadians military and are still warring like two year olds. People themselves dont care a bit
Is on the site, they have job specfic postings, then apply. Is just shooting off emails to a generic addy, doesnt work so well. If you can find who the hr person is, get a contact with them and let them know you are looking and what you have to offer, kind of like a cover letter in other parts of the world, then the manager can keep an eye out for your resume in the pile.
As it heats up, people tend to move around less. July is very very hot so starts to slow down, and once ramadan/august comes, everything will come to a halt practically. So come in June if you think you have enough contacts lined up, or wait until September would be my suggestion.