This is much more revealing of how western media reports on Latin America than anything.

Except the most pervasive and deadliest terrorist groups in the history of South America have been the government, in the form of right-wing military dictatorships, often preaching about free market and being backed by the USA. People just forget to refer to them as such.

Not even close. For example:

https://en.m.wikipedia.org/wiki/Right-wing_paramilitarism_in...

That's true. Which just prove the government of those countries were never marxist/communist.