@Miffy@awoo.space
Fallout 3 did not at all make this point sadly. I think there were A FEW little text logs you could find, but most of the lore explaining that the war was actually started by VaultTec wanting to "restart the world" with them on top (it failed, they all died too) is hidden amongst ALL the games and you really need to go looking for it. NV got the point across more I feel. It's way more nuanced and better written than 3.