I do think the odds are (at this time still) pretty low so like you less concerned. That said, d) is clearly a flexible aspect as Putin has been pushing the line that the entire “special operation” has been forced on Russia and due to potential existential risks.
I’m also wondering just how well that doctrine applies, and just how effective the controls enforcing them are, with regard to tactical nuclear weapons (e.g., artillery).
I do think the odds are (at this time still) pretty low so like you less concerned. That said, d) is clearly a flexible aspect as Putin has been pushing the line that the entire “special operation” has been forced on Russia and due to potential existential risks.
I’m also wondering just how well that doctrine applies, and just how effective the controls enforcing them are, with regard to tactical nuclear weapons (e.g., artillery).