Karl Marx followers?

[Marx]

I too agree with some of his points but not all. He had some very good ideas and theories, sadly the Russians bastardised a lot of it.

I agree! Lenin went too far with it, killing the Tsarist was simply not moral; in my opinion anyways...there could have been a better outcome. I'm not fond of a working class revolution myself. It's sad that his theory is heavily misinformed, especially since Stalin took over and made it a Totalitarian regime state...

His views on religion were certainly controversial

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All "isms" fail for the same reason. Humans are not as rational/reasonable/predictable as the formulator of the "ism" thinks they are.

Still, that does not mean that there may not be an occasional good idea which can be extracted and used.

Exactly! Most political ideologies do tend to fail, sadly. Non-critical thinkers lack beliefs they were not taught, or merely think it is wrong, as well as being indoctrinated.