'Kara was awesome', 'I want kara in cata', 'Kara best raid in TBC'.
Cata arrives: 'Blizzard reusing raids? :/ So lame', 'Can't blizzard make original content?'.
Yes, kara was a really nice raid, bringing it back would be dumb, ulduar was an amazing raid, does that mean it should come back every expansion? No.