Capcom or any other company will never have the benefit of the doubt, what are you saying? that a company was right and the fans were wrong? that a group of fans will admit their mistake? not in this life my friend ...
I'm willing to admit that some games don't have much of a market, but it's not fair to say "Well if this game that looks bad, and this third re-release of a game every man and his dog owns already don't sell, then the genre is DEAD!"
Seriously Evil Within has zombies firing machine guns or something, and everyone who is a Survival Horror fan has played Resident Evil already. I'll buy it again probably, but it's hardly a good yardstick for whether the genre can survive or not. It might be a good little sample to see if there's interest, but it can't be a deciding factor.
The problem with a "survival horror game" is defining a "survival horror game".
When someone trying to explain that "type" of game or categorize any concept, you will soon realize that it is working in the same way like the "Blast Processing" ads. I can guarantee you that.
I think that it's hard to define any genre or sub-genre. There are definite hallmarks of survival horror that are missing from games like Resident Evil 4-6 though. It's also why fans of old Survival Horror mostly liked Dead Space 1 but avoided Dead Space 2 and 3.
As someone pointed out, one of the reasons I'm excited for Alien Isolation is that it looks like it might be a return to real horror gaming. I don't care if it's Alien franchise or not, I'm not that big a fan of the series, but the game sounds like it'll be a lot of fun!