The self-locking door is what makes this video funny. What makes it sad is that these guys have probably "been there, done that," and instead of the t-shirt, now all they're going to get is jail time.
If you're in the military, you know the pay isn't the greatest. But the idea that crime pays is a fleeting reality, and with long-lasting consequences. Tell your buddies, "bad idea." Sometimes that's all they need to hear, from someone they respect, to keep themself on the right side of the law.