[riskable]

An interesting side effect of this would be the invalidation of the Nevada law requiring the source code for all electronic gambling machines be disclosed in order to operate in that state.

It seems like it would also apply to new or existing laws requiring the disclosure of code inside proprietary voting machines, medical equipment, and of course, the Volkswagon ECU. Then again, could those things be considered "critical infrastructure"?

The Department of Homeland Security considers the entire "Information Technology sector" as "critical infrastructure":

http://www.dhs.gov/information-technology-sector