We can also analyze both writers from the viewpoint of historical materialism by examining the extent to which they were both influenced by the societies in which they lived and the events they witnessed, and whether their ideas can be seen as ideological in nature - i.e. designed to support the power of the bourgeoisie by obscuring the true nature of the state.
Count me in. 
In these times of crisis, lots of politically illiterate folks rant against the "collectivism" implicit in the "general will," and yet the notion that the latter is inalienable, infallible, indivisible and absolute does reek of idealism.
"A new centrist project does not have to repeat these mistakes. Nobody in this topic is advocating a carbon copy of the Second International (which again was only partly centrist)." (Tjis, class-struggle anarchist)
"A centrist strategy is based on patience, and building a movement or party or party-movement through deploying various instruments, which I think should include: workplace organising, housing struggles [...] and social services [...] and a range of other activities such as sports and culture. These are recruitment and retention tools that allow for a platform for political education." (Tim Cornelis, left-communist)