The gawd-almighty merged DRM in Silent Hunter V thread

[IanC]

Originally Posted by KING111

One more thing what if you ever want to sell your copy
of the game you can't its regitserd to you and your
computer you can't sell it or even give it away to a friend
lots of gamers buy games play with them for a few months
or even years then sell them to get the money
to buying another game with these one you will be stuck
with it for life even if you don't like it

Some say that is actually the main reason for DRM/OSP, to stop re-sales, not piracy.