Probably a mix of: reserving supply of electronic components to military use; eliminating a possible cover story for spies; emission control to deny enemy navig

Probably a mix of: reserving supply of electronic components to military use; eliminating a possible cover story for spies; emission control to deny enemy navigation cues; limiting vectors for accidental information disclosure; creating an atmosphere of ‘We’re all engaged in this all out struggle together’; wartime bureaucratic expansion and overreach; and just generally more important things going on.