Exactly. And the very act of stopping most fossil fuel use may result in a very fast increase of warming because of the diminution of global dimming - although

Exactly. And the very act of stopping most fossil fuel use may result in a very fast increase of warming because of the diminution of global dimming - although how much (and wether or not it's significant) is highly debatable - could be nothing, could be a straight up +1C in a few weeks. And as you said, stopping the fossil fuel use worldwide would upend our entire modern civilization, result in massive food shortages and an economic crisis, and likely significant conflicts as well. Damned if we do, damned if we don't.