Of course it is still capitalist and many nations with market system has huge SOE as well like Indonesia, Saudi Arabia (Aramco), etc
It is still capitalist but with large government intervention. It is not liberal capitalist, but still regarded as using market system and capitalist system. The correct term is mixed economies with maket system, definately not communist system.
Mixed economies with large SOE dominating the economies is the result of socialism tendency. Both socialim and communism comes from religion by the way. Communism is mimiking old traditional ancient Jews tribe that is very religous, there is still a tribe in Israel practicing it
Karl Max is Jews, so he, I believe, gets inspired by that ancient Jews tribe living