Ask an average person (an American) what communism is and they'll say "it's something that's evil where the government tells you what to do". Isn't that happening right now?
Go ahead and be a doctor because you enjoy it. It doesn't change the fact you need an absurd amount of time spent in school. The only reason people want to be a doctor is because of the money. Your aspirations mean shit when compared with society. Nobody would want put in the hard work to become a doctor if you got paid the same as somebody else who got their job by looking in the newspaper.