IMO, the event card IS a bit unbalanced. Since war only has a limited number of rounds, it isn't balanced that only a few of the event cards can even show up in the war, and having 12 cards based on giving a single element an advantage leaves less room for other event cards that can potentially make for more use of strategy, and can still be balanced at the same time.
I understand what was trying to be done with the element based event cards, but the thing is, they are largely unnecessary.
You can have the tourney run fine, if not better, without them and that can leave more room for other more interesting events and also decrease the amount of upset without the community.
All in all, it's not a HUGE deal. But that goes either way. Who's to decide what's a good reaction and what's a bad reaction from the community? Obviously, looking at it logically, the community itself is to decide that. There's no reason to put other people down and say how disappointed you are in them just because they are striving for the biggest balance in the game.
An opinion is an opinion, sure, but it's always best to try to present yourself in a semi-neutral position and look at both sides of the argument. For me, I think you're making the reaction of the community into a bigger deal than it actually is.
From what I gather, all that people are saying is that:
1. The card is unbalanced.
2. The card gives certain teams an unnecessary advantage.
3. War could be better without such cards.
3. We choose not to take advantage of the card because it is unbalanced.
That's all I really have to say.