^Well, it's not like the elites didn't hoard wealth under the Soviet system as it was. The fundamental weakness of Marxism is that it depends entirely on the moral perfectibility of the individual and thus has no safeguards against corruption.
There's also the People's Republic of China, which has embraced the pursuit of wealth and profit ("To get rich is glorious" -- Deng Xiaoping) while still aspiring toward communist principles. After all, what Marx actually taught is that a society needs to pass through an industrial capitalist stage before it can mature to full-fledged socialism and ultimately communism, so it's certainly possible for capitalism to exist within a state governed by Marxist principles.
There's also the People's Republic of China, which has embraced the pursuit of wealth and profit ("To get rich is glorious" -- Deng Xiaoping) while still aspiring toward communist principles. After all, what Marx actually taught is that a society needs to pass through an industrial capitalist stage before it can mature to full-fledged socialism and ultimately communism, so it's certainly possible for capitalism to exist within a state governed by Marxist principles.