The software is released with 0-day DLC, piss-poor support, and the default mode is that all customers are thieves. Is it any wonder as these things have increased, so has customer rage?
By no means do I advocate aggression or threats, but I *understand* it. The big software co's have been trying for the better part of a decade to screw their customers and have them coming back begging for more.
My 2c: I'm willing to bet the majority of these threats stem from players of MMO's and multiplayer games. When we pay for an 'ongoing service' we expect just that: service!
Lots of people have jobs where they have to deal with the loonies. Gaming tends to be a product a higher-than-average amount of people care passionately about. Don't like it? Seek employment elsewhere. You knew what you were getting into. Better yet, stop releasing crap and treating your customers like dirt, and you wouldn't get death threats. /end rant