Those are communal needs; but most of the “writings* of rabbis are about halacha. Actually, very few seforim discuss the needs of the rabbi’s own community or what he did to solve problems. Your screename-sake rav ovadia wrote thousands of teshuvos about halacha, not political issues or how to fix poverty.
Why am i not surprised that yabia and gadol’s list includes almost exclusively that which is outside the range of bechirah and instead the domain of hashgocha?