Tarnished- he may well be listening on loudspeaker. It looks like it could be a transatlantic- you don't need 2 listening to HF!
Why not shield from sun if it is too bright? Better to have a headache? As pointed out- aeroplanes fly through cloud- can they be made to keep clear to ensure adequate lookout?
Perhaps a little less uninformed criticism and a bit more understanding of the difficulties that can occur to crew (as in sitting with the sun in the same place for 10 or more hours).