Holy Polonium Batman! Did the USSR actually go away?
It shrinked a bit and changed it's name and flag. Few things have changed.
I don't know anyone who would argue that nothing has changed since 1991. However, there are extensive arguments whether the raison d'etre of Putin's presidency is the re-establishment of the Soviet Union.
The years during which the Russian Federation was the USSR, following the history of the Czarist regimes which preceded it, all have a common thread - the nativist Russian xenophobia and suspicion, bordering on paranoia, that has always been part of the Russian psyche. No matter WHAT government may have been in charge in Russia during the 20th Century, or the 19th Century, or the 21st Century, they always saw themselves as the competitors of the US, and deadly enemies of Germany.
The US may at times have had temporary alliances with Russians, but that is the controlling trait - temporary.