The Dark Star Republic wrote:A sense that those three categories are domestic issues not suitable for international issues, and an observation that the overwhelming majority of proposals written in those categories have been of a very low quality.
Honestly, you were closer to the mark with the fact that they are arguably unnecessary and haven't been used in 13 years of gameplay. Eroding national sovereignty is the entire purpose of the WA; that some players object to the domestic nature of some policy areas is no reason to limit the WA's power.