There's no way the Russians could prove that, and even if they did, going after US or NATO assets would be suicide for Russian forces in Ukraine and the Black Sea.
Interesting, so your argument is that if the USA ever attacks Russian forces directly, there is no possibility that Russia would ever respond in every way.
You are the greatest of all armchair generals on FR, I give you an award
Or Russia could go after assets in the sky that are directing these drones