"So if you had worn the amulet, would you have..." He couldn't bring himself to say it. "Did Spike die because he was a vampire? Because he couldn't deal with that whole column of white light thing?" No one could blame Buffy for having given that amulet to Spike. He himself knew that he would have done the same thing if he needed to lead his army in a battle. Plus it wasn't as if she had any of knowledge of what it would do.