Under Lenin's adminstration, a system of prison camps for political prisoners was set up in the Soviet Union. Under Stalin, these camps became the Gulags. To the extent that he was the architect of the camp system, Lenin bears direct responsibility for the millions of deaths that followed in the 1930s.
The whole idea of the 'vanguard party' was that the slavs were too stupid to know what was good for them, so the revolution would have to instigated by intellectuals. If that's not contempt, I don't know what is.