They are not a marxist cult. They are the biggest threat to the terrorist regime. They've tried to work with both Democrats and Republicans to raise support and awareness to their plight at home.
"Resistance, in calling on European governments to condemn the mullahs’ terrorism and shut down the regime’s embassies in light of the foiled bomb plot in 2018 against the NCRI’s annual Free Iran rally in Paris by the regime’s diplomat-terrorist Assadollah Assadi."
https://www.ncr-iran.org/en/news/terrorism-a-fundamentalism/live-online-conference-on-iran-regimes-terrorism-in-europe/