It seems lots of you think its a just mute them and move on problem. It isn't.
The problem is when they intentionally throw the match in competitive ranked game. At that point they are ruining the match for five other people and pretty much forcing those five to lose rating they have worked...
Read up on the Fermi Paradox. It covers the majority of possibilities for these scenarios.
As for a reason to attack us, they may want to wipe us out now before we can become a threat later. Why risk it when it would be so easy to do now?
I wanted a remake with just improved graphics and bug fixes. Changing the combat system takes this from a day one buy to a wait til its 20 bucks buy.
To quote the The Mighty Boosh, "Elements of the past and the future combining - to make something not quite as good as either".