yeah, and not just leftist. you can have the most liberal and bourgeois-backed nationalist project just to secure some kind of national sovereignty and there will still be a coup. Case point: Iran and Mosaddegh.
Imperialism will sap the wealth of countries and peoples for short term gains, regardless of the economic system.
It’s difficult enough for getting people to switch from whatsapp to signal.
I don’t know how successful i’d be to get people to switch to simplex.
Is there a particular reason that you don’t recommend signal?