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For example, it's becoming almost common knowledge that Ukraine troop deaths are like a million and a half, while Russian troop deaths are like 15% of that.
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Provide proof of this.
Mass manufacturing Oreshnik is not for show[...]
Provide proof of this.
So either Ruzzia goes nuclear - which would be an escalation that would not be in their benefit, or they do another fireworks show at 18 million cost.
Okay. Let's say for a moment that the rest of the world gets together and goes against Russia. Losing the war would not be in Russia's benefit, so expect nukes, in this scenario.
Using nukes does not provide any advantage in any scenario. They are there as deterrent for anyone to use nukes. That is what you do not seem to be able to get your head around.