Maybe. What strikes me as odd is that, if it really is something we're meant to be abiding by... wouldn't it have been included in the rulebook? It might have prompted more of us to pursue erasure as an option more quickly.

Now, though... we've caught the culprit each week. Statistically speaking, you are more likely to be erased as a result of having erased someone else than you are to be erased if you just keep your head down and don't make enemies.