I thought they used the Russian consultants as a vector by infecting their laptops before they went inside the airgapped system? I was under the impression that

I thought they used the Russian consultants as a vector by infecting their laptops before they went inside the airgapped system? I was under the impression that this was the reason Stuxnet spread so far and wide, because it had to spread organically to the Russians' devices. Time for a Wikipedia rabbit hole, I guess.