I've generally been impressed with the community and its one of the reasons that I play, but I have to say I'm really disappointed in this thread:

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The number of one word negative responses that don't add value and lack of community policing makes me sad. That the responses come from people with lots of "rep" makes it even sadder. From what I can tell, "Rep" is mostly a measure of entertainment value. Say something funny/cool, get lots of rep. It makes me concerned that people are more interested in being jackasses than I had previously thought.

The word 'errata' may be strong, but the general concept of game mechanics maturing/changing over time is fact and the desire for consistency in game mechanics is a worthwhile one. Being relatively new, I've noticed many inconsistencies or really "corrected" powers between waves and I too have wondered why don't...