Behaviors design ethic is crap.
"We don't design Killers to be viable, we design them to be fun" And there is the heart of the problem. What IS fun? In order to base your entire design scheme around it, it must have a objective definition right?
Except it doesn't. Because fun is subjective, not objective. Which means Behavior is ramming what THEY think is fun down our throats.
"Not every Killers will be viable at rank 1." Ya think? Nurse, Hillbilly, and arguably Myers are playable at rank 1 and actually WIN. And what about rank 1 killers? Because of your design ethic they can't enjoy the full line of killers. They are stuck with less than a handful to actually be successful and not be tea bagged every step of the game.
What about players like me who don't enjoy Nurse or Billy that much? Am I doomed to be stuck mid rank because I enjoy lower tier Killers like Trapper but can't be successful because he's weak?
In the end there is one thing that 99% of gamers find objectively fun. Winning. So if we have to slug through a stressful game and not even have the chance at that....what's the point?