Well... wouldn't he rationalize the sudden voices by claiming that he's insane? Lol.
Though, I do agree that Straff seemed to come to terms with Zane's insanity.
Still, we know that Vin's mother heard voices before TLR's death, and it seems strange to me that there would be multiple types of voices that people hear in these books. The fact that they all hear voices seems to indicate (tenuously, at least) that they all hear the same voice.
Actually, there is a definite instance where there is a voice which
isn't Ruin's. At the end of MB2, Sazed fights Marsh:
"I'm sorry," Marsh said again, then raised a hand and Pushed the bag at Sazed.
The pouch shot across the room and hit Sazed, ripping, the bits of metal inside tearing into Sazed's flesh. He didn't have to look down to know how badly he was injured. Oddly, he could no longer feel his pain--but he could feel the blood, warm, on his stomach and legs.
I'm... sory, too, Sazed thought as the room grew dark, and he fell to his knees. I've failed... though I know not at what. I can't even answer Marsh's question. I don't know why I came here.
He felt himself dying. It was an odd experience. His mind was resigned, yet confused, yet frustrated, yet slowly... having... trouble...
Those weren't coins, a voice seemed to whisper.
The thought rattled in his dying mind.
The bag Marsh shot at you. Those weren't coins. They were rings, Sazed. Eight of them. You took out two--eyesight and hearing. You left the other ones where they were.
In the pouch, tucked into your sash.
There's also an instance where Elend hears a voice when he kills that one koloss, but I don't remember where that one is explicitly.
As for this quote, there is no reason why Ruin would TELL Sazed these were rings if Marsh was controlled by Ruin. None at all. If you can think of one, I would be rightfully impressed, though. Besides, I know the quote was brought up before and Ookla said "why would Ruin be talking with Sazed there?".
However, when I typed this out, I noticed some more things I didn't before. Firstly, the metal rings are sticking in Sazed's flesh, so let's assume for a moment that this is Hemalurgy, much like how it operates for Inquisitors. They key thing here is that something else--and if not Ruin, I think Preservation is the only possible source for the voice--spoke to Sazed. If it is indeed Preservation talking, then we can assume that Ruin does
NOT have exclusive control over Hemalurgy. So take note, everyone who thinks there is a Hemalurgy/Allomancy combined with a Ruin/Preservation duality.
Ruin does not have exclusive control over Hemalurgy. Likewise, Sazed (or Elend) don't hear the voices more because they have that inclination to not pierce their body's with metal. So, likewise, one could previously assume that the mist spirit COULD be Preservation, and that is linked with Allomancy. However, if Ruin does not have exclusive control over Hemalurgy, then Preservation needs not have exclusive control over Allomancy.
Now, one could make the argument, "If Preservation can talk via Hemalurgy, why doesn't it do so with Vin and stop Ruin's plan?". To that, I don't have an answer. Wait... okay, I'm thinking this out as I type, and I don't think Sazed's rings up there that pierce his flesh have a blood sacrifice (except for his own, which I don't believe counts). Hemalurgy... with
out a blood sacrifice? That seems to defy everything we know about Hemalurgy. Perhaps Preservation talks to people who have metals without sacrifices and Ruin talks to people who have sacrificially-imbued metals, or perhaps Hemalurgy requires a blood sacrifice, but Ruin/Preservation talking through the metals does not require a sacrifice.
Interesting.
The other thing that I noticed was, "Oddly, he could no longer feel his pain--but he could feel the blood, warm, on his stomach and legs.". Is it "odd" to no longer feel pain? Could this be a Hemalurgical property we don't know about yet?