I would just change the part of the intro I quoted to speak of this view as a possible view someone might hold, without attributing the view to Ord or those others currently cited, and without claiming many EAs actually hold it. If you could find others to attribute the view to, that would be good.
You could continue to cite the same people, but clearly distinguish the hypotheses: “While these are claims only about risks this century, what if a high risk probability persisted and compounded each century? Let’s call this hypothesis Existential Risk Pessimism:”
I would just change the part of the intro I quoted to speak of this view as a possible view someone might hold, without attributing the view to Ord or those others currently cited, and without claiming many EAs actually hold it. If you could find others to attribute the view to, that would be good.
You could continue to cite the same people, but clearly distinguish the hypotheses: “While these are claims only about risks this century, what if a high risk probability persisted and compounded each century? Let’s call this hypothesis Existential Risk Pessimism:”