"But most people use Steam anyway, I hear you say. That's true, but you can still own your games on Steam. Very easily, in fact! Steam doesn't apply a hard DRM for games on their platform, you can bypass it and play your games offline without the launcher if you know what you're doing."

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When it comes to PC games, the real peace of mind comes from cracks and piracy.

Sure, a single player game that requires an online service to start up could become unplayable if the company running that online service decides to end it without providing a patch. If that happens, somebody will crack it so the game can be run. Sure, a game could be yanked from Steam without notice, but you can always pirate it. Sure, Steam could go under, but the internet is my backup drive. I know what I've paid for.

I don't have actual legal ownership of the titles I buy, but I also have recourse if I feel I've been ripped off. That recourse may be abused by some, but game companies have no moral right to oppose it until they start respecting the rights of their paying customers. Taking away something that was paid for is theft. Ownership rights for downloaded titles is a critical stepping stone if game companies are serious about reducing piracy.