it still amuses me when people think that they actually balance things. The last six years or so have shown that the majority of what they do balance wise is buff/nerf something 5 or 10%. Sometimes they throw a curveball and buff/nerf something 8%. And once in an eon, when they realize something is totally broken we get a 25% buff/nerf.
People will give feedback during beta and point out things that are outright broken. And what is the result? At the end we get a blue post saying how they listened to great feedback and then release the expansion with a plethora of bugs that have been reported, sometimes for months.