It's fun to go through these SPGB contradictions as I was doing above, but I want to have a look at something more important. Going back to something Gravediggers said earlier in the thread:
The objective economic conditions for socialism already exist in that capitalism has shewn the working class how to produce an abundance in excess of its needs, it fails in that it is unable to distribute that abundance to meet human needs. On the other hand the subjective conditions, which I gather is the point you are trying to make still remains at the stage which Marx described as, "The class in itself". In my estimation the workers have grasped a broad understanding of democracy but have failed in understanding how to use democracy for their own ends and in their own interests. This is precisely the barrier the SPGB are trying to break down.
I think this is exactly where the SPGB go wrong in terms of their theory. I should say that what really characterises the SPGB is not some sort of original sin - a bad idea expressed in 1904. There are real conditions that keep the SPGB attached to these flawed ideas, but I shan't explore that here.
So to address this flawed theory...
Marxist theory states that the forces of production need to develop to a degree as a prequisite for socialism. If this prerequisite is fulfilled it does not follow that the objective conditions for socialism already exist and that socialists should only address the subjective factor - that is to focus entirely on propaganda for socialism and education about socialism.
We live in a world where the working class is stratified, where rich nations exploit poor nations, where productive forces are concentrated in certain areas to the neglect of other areas, where agriculture is still not everywhere modernised, where large sections of the population languish in shanty towns, where globalisation pits worker against worker. The problem is that capitalism stalls throughout most of the third world and throws up new inequalities. The transformation to socialism is not merely a matter of grabbing the means of production. It is also a matter of transforming the means of production so that they meet human needs, it is also a matter of transforming society particularly rural society in the third world, it is also a matter of bringing equality between nations. All this takes time and effort - it doesn't arrive overnight.
It should be regarded as a matter of fact that the objective condions for socialism have not been met, and that there are still tasks that have not and can not be achieved by capitalism. The working class really do have a role in history beyond simply seizing power and declaring socialism.
There is also the question of how to organise to deal with 21st century problems. Politics deals in terms of priorities and so must working class politics.
I should also say that it is very odd to see talk of objective factors divorced from subjective factors. I don't often bang on about the dialectic, but it is starkly anti-dialectical to talk in this way. It should be ringing alarm bells. It implies that the working class are deluded about objective reality.
I should also say that this rigid distinction between class in itself and class for itself, is more nonsense. We've had two centuries of working class organisation which really does struggle on behalf of itself. You can't address the subjective and the objective seperately because in reality it is impossible to identify them as seperate entities.
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What I think is interesting about the SPGB, is that it draws such a stark conclusion and applies them consistently. In doing so it provides us with a living experiment to observe and draw conclusions from. Trotskyists, for example, often talk in terms of the objective factor and the subjective factor. In doing so, we can see the sterility of the SPGB as the logical conclusion of this tendency to seperate objective from subjective.