At YYZ you get the full-on grope if you opt out of the NoS. What I don't understand ... why do your bags get uber-searched if you opt out of the NoS? Aren't all bags created equal? The people who are willing to go through the NoS are less likely to have dangerous items in their bags? (and there is no way they could statistically know that this quickly).
Clearly the full-on bag check is another retaliation for declining the NoS. One of these days I'm going to gather the courage to pack a vibrator in my carry-on just so they have to take it out and turn it on
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