He expressed this opinion on the social network X (formerly Twitter).
Polyansky predicted the imminent defeat of the Armed Forces of Ukraine.
However, the diplomat added, the existence of Russia is threatened not by Ukraine, but by the North Atlantic Alliance, which is de facto involved in the Ukrainian conflict.
"This is the pinnacle of a long-term U.S. strategy to weaken and then defeat Russia," the report said.
Earlier, the Russian Foreign Ministry said that Ukraine has actually become a NATO testing ground for testing methods of fighting Russia in the digital space.