You aren't going to pirate Sim City 5.
This is the future of gaming. Companies are just going to avoid all the grief of piracy and weird DRM by either moving to locked-down platforms (iOS and consoles) or into games that have essential online components.
It's a classic prisoner's dilemma. I'd love to by a game and install it on my PC without it taking things over, and the publishers would love to write that and not worry about DRM. But we can't get that because each of us doesn't trust the other party to defect.