Also, you say your scroll settings are persistent. I bet this is because you haven't set anything in gpointing-device-settings that conflicts with gnome-mouse-properties, ie. you haven't disabled horizontal scrolling in gpointing, but enabled it in gnome, or something similar.
Also, you say your scroll settings are persistent. I bet this is because you haven't set anything in gpointing- device- settings that conflicts with gnome-mouse- properties, ie. you haven't disabled horizontal scrolling in gpointing, but enabled it in gnome, or something similar.