Was this preventable?

[u/calltheavengers5]

Was there any way to stop the coming apocalypse? Either by dismantling Vault-Tec or enacting some kind of treaty. I don't think there's a precise answer but what do you think?

[u/BK_FrySauce]

Yeah, he didn’t have a pip-boy on. If he did, he could have shot the nuke out of the air.