The key word here is an "unauthorized" copy, not any copy in RAM.
The judgment says that a copy to RAM is "unauthorized" when it is loaded alongside other code that creates an experience outside the scope of the World of Warcraft license (EULA and TOU). You're creating an unlicensed derivative work when you use such code. If you're running bots, turning WoW into nothing more than a fancy screensaver that farms resources, you're outside the scope of the TOU. Period.
This is breach of license, folks. It's explicitly forbidden in the TOU and EULA.
The court has simply ruled that if you are running a bot program, the limited license granted to the user by Blizzard forbids you to load or keep the program in RAM.
This is not the same as forbidding any copyrighted work to be loaded into RAM for licensed uses. You already have purchased a license to play your music, so if you load it into RAM to do so, you're legal. All the common legal precedents and arguments in favor of transferring it to a different device to listen to it also apply. You are allowed to listen to your music.
This ruling regarding "copy to RAM" is very narrow in scope, and was made in order to determine that WoWGlider itself is illegal to sell because it has no purpose other than to abet license violation, i.e.: It's only useful purpose is to violate the TOU, and there is no way to keep it from violating the TOU when used.
Therefore, it had to be established that loading the program with the express intent to violate the TOU or license agreement is an infringement.
I think it is, and I think it even makes sense. If you're violating your agreement, you're violating your agreement. No one should be able to sell a program whose sole purpose is breach of contract, or infringement!
So no one's going to be sued for loading WoW into RAM for any licensed purpose, but it's a necessary step towards the determination that the bot software cannot be sold.
The guy deserved what he got. He'll be lucky if damages aren't awarded, but at the very least the injunction against the sale of the program seems completely grounded in common sense and law.
There's really nothing to see here. Just people who read "copy into RAM violates copyright" and either a) misunderstood, or b) have an agenda against copyright law in general, and are being sensational and more than a bit dishonest.
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Toro