It depends on the form of strike. Are they outside with "Krusty Krab Is Funfair" signs? Are they sitting at home playing solitaire? Did they join the rival business?
That's probably more helpful than you think. It's often a little discouraging to be out there and watching most of the world just pass by with indifference. Even a couple chirps of a car horn or a high five from a passing stranger helps