That's an overgeneralization. The Old Testament is littered with examples of the Israelites failing in battle because God was not with them at that particular time. But He was still their Jehovah.
Beowulf was defeated by the dragon, but that doesn't mean that actually ever happened...
Anyway, Judaism still strongly exists today, despite any hiccups it had, as opposed to other things like Baalism or whatever. They are therefore the "victor".
