It's possible, but... there was always a chance of that, since there are only six teams.

[ like, statistically speaking. they sigh. ]

There really are a lot more ways to get nova than just that though. Even with voting, the multiple options gives you more nova based on how much you got correct. So while m-murder is a way to gain nova, I think people may be too focused on how much weight it holds compared to other ways to get it.