I voted "yes, but not too invasive." Any CP at all is only harming paying customers, not pirates. So in the abstract, I'm totally against it, and I preferentially support developers like Stardock (Galactic Civilizations 2) who have abandoned it. However, being practical about this, I know it's easier for a small, independent outfit that self-publishes like Stardock to take the high ground, and it's less likely with a behemoth like Sega.

So I'll settle for non-invasive, non-arrogant methods that don't leave behind potential security risks and hidden files after the game is un-installed, like the current SecureRom installation for M2TW:Kingdoms does.