[quote=Psyga315]
And straight up admitting he's a vampire to Vash in an attempt to break him. It's sad that Nobuo is perhaps the only person trying to defuse the situation.
[/quote]

Ba'al would, but at this point, the benefits of either Saber, Archer, Sorin, or some combination therein begin killed outweigh those of Ba'al looking like a nice guy by helping break them up. His goal is to win, not be their friends, and they're pretty serious competitors to that.