> Moreover, it may be sufficient to have a positive attitude toward voting without actually ever voting.
Nice. Sort of like an election typhoid mary.
> This is a question about how much influence an individual has on others in terms of networking effects.
I agree that the influence an individual has on his social contacts is relevant here. However, I still insist that the individual's decision to vote is itself important.
Moreover, it may be sufficient to have a positive attitude toward voting without actually ever voting.