Seeking peace also lines up with what every sane person should want
Peace between nations is only part of the picture. Peace between people and their government is another part.
We could all have world peace between nations tomorrow if every nation capitulated to Russia. But you’d have endless tension between the people and their new Russian authorities.
If you're going to give up something just because someone else has a nuke, then you'll end up giving them everything you have, because they're not going to give up their nukes. They will always have power over you.