I mean… The general point still stands. It’s not that western nations seriously doubt that Russia has these weapons. We know Russia has ICBMs, we know they have nukes, we know they’re willing to attack Ukraine with conventional weapons.
What Western nations doubt is that Russia would actually attack them or use nukes, because it’d trigger a united response they’d lose against, and they know that and want to avoid it.
It’s not about capabilities, but willingness.
This is part of the point I was trying to make