> but it is unlikely to bring down an entire electric grid

Unless you happen to drive a forklift in a power plant.

> expose millions to fraud and theft

You can if you drive forklift in a bank.

> put innocent people in prison

You can use forklift to put several innocent people in prison with one trip, they have pretty high capacity.

> jeopardize the institutions of government.

It's pretty easy with a forklift, just try driving through main gate.

> There is more than one kind of leverage at play here.

Forklifts typically have several axes of travel.