"Whataboutism" being considered a logical fallacy was made up by an Irish Unionist (as in supporting Ireland being a British colony) because he didn't like it when people responded to "the irish resistance is violent" with "the British are magnitudes more violent and their violence wouldn't stop if the violent resistance stopped"

Consider understanding the historical context of a line of argumentation before using it.

So you haven't actually read about the topic. You just have a vague notion of "Communism Bad" that no one around you has ever seriously questioned. When a specific topic (career choice) comes up, you feel free to make up negative claims that reinforce Communism Bad instead of putting in the work to have an informed opinion (or simply acknowledging that you don't know!). You couple this with thought-terminating cliches (whataboutism!) to avoid anything that might upset the conclusion you've already reached -- Communism Bad.

I brought up the comparison of career choice under capitalism because the fundamental question is which political system is better.