Looks like LaRouche was regarded as the Stalinist type of socialist, a cult leader, and an anti-Semite. All three of those things also fit Caleb Maupin, a famous tankie. Many tankie collectives spring up around a single strongman in general. LaRouche believed AIDS was spread by insects, which harkens back to Lysenkoism.
If the shoe fits, right! Many nazis also get offended when called nazi.
CIA?
Seems pretty leftist to me. And it doesn't have any other baggage to it, like ableism, classism etc.
For contrast:
Which is a word I personally find very useful and will never stop using when appropriate.