There is nothing inherently evil about any political ideology.
The question is about corruption. The forms of government eminating from Marxist philosophies tend to corrupt in the way the George Orwell best
captured in Animal Farm.
When the laborers seize power from the "evil" landowners, and they themselves take power, and then become evil themselves, this is the evil we
address when we call Communism evil, and Marxism evil.
But you have a good question. I found myself asking the same question recently in a discussion with a good conservative friend of mine. Actually he
calls himself a radical decentralist.
We discussed the article published by David Nolan, a 70's Libertarian.
The Nolan chart attempts to capture two dimensions of political ideological freedom. One is economic controls, and the other is social controls.
Authoritarian ideologies such as Communism and Facism control both economic and social freedoms. China operates business and regulates people's
The Libertarian ideology advocates quite the opposite, freedom in both ... complete free market capitalism plus total social freedom. Truly a
Modern American political ideologies fall somewhere in the middle depending on their left and right wing orientation. It's not entirely clear how
left and right map to this two dimensional chart but many people have attempted to build their own mappings.
However, this still does not address the notion of evil. In theory one could have a good or evil form of each type of ideology, such as in the
Dungeons and Dragons game where you choose your character motivation Good vs. Evil, Lawful vs. Chaotic. However, the Authoritarian regimes are most
vulnerable to corruption, and thus, evil.