So much slippery slope in this thread. . .

I don't see how this could possibly lead to the game "playing itself." There's still a person there, making decisions, pushing buttons to make their character take actions. Yes, you'll be given more than enough info to make those decisions, and yes, it may be way more info than you actually need. That doesn't mean you can just wander off and go make a sandwich while the game continues to dps for you. Unless, I guess, if you're a tank and you realize you have holycrapwtf aggro lead and decide to take a quick afk. Then again, I could pretty much do that on certain NMs even without the meter.

As for it being a case of "WoWification," I'll concede that point. On the other hand, WoW went a really long time without a built-in hate meter. The only reason they eventually added it was because they realized that a dps/hate meter was one of the single most-downloaded addons. I'm sure the guys at SE realized that it was only a matter of time if they did decide to allow addons, which I believe they've said might be in the works. Depending on the functionality, I'd kinda rather have a built-in one. . .