Sunlight only works reasonably well for waterborne pathogens, and only when you've got time.

As with disinfecting anything, and especially for societal issues, we need more than sunlight alone.

Tell that to Edward Snowden, Julian Assange, or one of the billions of working families all over the world that everyone knows is getting f*cked over on a constant basis.

Sunlight is not a disinfectant. Better to try gasoline.