Sure, but until we see the inflection point we can't know how much longer the bottom half of the S curve lasts— it might be 2, 5, 10 years, or it might have alr

Sure, but until we see the inflection point we can't know how much longer the bottom half of the S curve lasts— it might be 2, 5, 10 years, or it might have already passed; either way we'll only know in retrospect. Those different options make a big difference on how much PV is part of the long term global energy picture.