This is why you read instructions

Step 1. Take weapons and drink lots of beer.

Step 2. Board small motorboat out to sea.

Step 3. Check to see if there are other boats nearby, and if they are, are they friend or foe or prey.

Step 4. Attack a boat or ship that comes close to rob them of their valuables if they are foe or prey.

Step 5. Keep away from the navy.

Guess which step these people missed out?