As with everything else in Palestinian history, look beneath the surface and find antisemitism.
The Catholic Advance wrote about this conference:
And notice that the resolutions are ultimately about attacking the Zionist community, not about promoting Palestinian nationalism.
Also notice:
The Catholic Advance, as we will see later, clearly didn't think that Jews have any business living in Palestine. The Jewish Agency allowed women to vote way before 1929, but they don't count.
The Women's Congress was scheduled right before the All-Palestine Arab Congress, which featured this: