Covered calls saved my bacon during GFC and since then Teddy so wash your mouth out!!
On diversifying, they have a pretty poor record with Taza now being relinquished which is pretty much the last of the ME stuff?!? They are a bit unlucky with Taza but geopolitically it isn't a great location atm.
Perhaps sticking to the knitting in PNG is the best spend of shareholder funds and board and management time.