Earlier quoted context omitted.
You can stick your fingers in your ears and scream so that you won't hear reasonable people using the word "socialist" to mean things you don't mean when you say it, but that doesn't change the fact that reasonable people disagree with you about whether "socialism" implies "command economy".
That's entirely unnecessary and silly. Instead I'm going by the word of the very people that were instrumental in creating and spreading Socialism and its intellectual foundations to begin with: Marx, Engels, Hitler, Mussolini, Lenin, Trotsky, etc. No need to rely on arbitrary speculation. To argue that Socialism means something other than a command economy, you have to disagree with all the major players that were a…
Its worth noting that your examples include:
(1) two members of the same early subset of socialism (Marx and Engels) and two later people known for involvement in the same descendant of the form of socialism embraced by the earlier two (Lenin and Trotsky), and
(2) two other people that aren't recognized as having an important involvement in anything recognized as a branch of socialism, though one of them was involved in a political party with "socialist" in the name (Hitler and Mussolini).
Its hardly a broad sampling of "the very people that were instrumental in creating and spreading Socialism and its intellectual foundations to begin with".