The penny will drop once countries like China and India who don't give a toss about sentiment or what anyone else thinks do their sums on how best to meet the demands of their subsistence classes moving to a higher standard of living.
I don't know when that will be but you're buying near the lows anyway so who cares . It''ll happen quite quickly when it happens , I'm seeing the signs in the stocks over the last few months ,sentiment will turn on a pin , I'm happiest to be where the crowd isn't just accumulating quietly