I think what is trying to be said is that they have to evaluate accessibility support for both Xfce and Gnome3 before finalizing this decision. Gnome is (or was

I think what is trying to be said is that they have to evaluate accessibility support for both Xfce and Gnome3 before finalizing this decision. Gnome is (or was?) reputed for this as you say, and must be part of the decision to switch away.