Evanburg as a region builds up while in Aurvandil control. They can certainly manage the estate support, though its lord should visit more often. Still, if Barca wasn't ready to take it, no harm letting someone else gets its population up to reasonable levels and hand a more built up region back. After all, it will be Aurvandil vs Barca, Terran, D'Hara in a few months time as readily as now.
