I would tend to believe that its fabricated. With the number of people that went, I pretty sure the security wasn't that high. And as many people have listed, there are so many easier ways to smuggle the drugs. Drug dealers can be acused of being greedy and ruthless, but for the most part, not stupid.
And by the way, vegan arguments does nothing but annoy most people who are fairly decent and caring. They just happen to eat meat. On primary needs, I guess people can just live on air, water, and the most basic food material. Why aspire to do anything, when they only need these three to live?