Some are convinced that Crytek did this on purpose to catch the people downloading this, sometimes companies behind movies put a movie on the torrentsites so that people would download them. Then they have the IP's, track the people down and sue them(this is only possible in a few countries, US being one of them. I know for a fact that as a Belgium I'm secure).
These leaks mostly are intended, as you mentioned. Not really for fighting piracy or sue people - what company did that?
-> A common marketing approach.
1) "Imperceptible runaway" - run from your commanders and hide somewhere without them paying attention. With failure you can get a punishment, which may consist of waking at 2 or 4 in the night or staying 1 day longer in the base when you should go home. No save/load
This reminds me of my grandpa. He used to cycle lots, also to the military base. One morning an officer told him to demonstrate how well that bike runs. Out of the gate, returned at dinner time.