If you read the article you’ll see how things are changing such as in the 2008 reforms in Russia. Ironically, as the US is now the more authoritarian state, with extremely poor educational backgrounds among the recruits, it appears the situation is reversing.
With the exception of World War 2, Russians never fight well outside their own borders. From World War I, to Finland all the way through to Afghanistan, and now to their war with Ukraine the Russian troops performed poorly. The only reason they won any of these engagements was because of massive manpower and firepower advantage.