Maybe. There are lots of different figures and methodological issues. If a dig a bit more you’ll find it’s clear as mud. Regardless , that wasn’t my point - f

Maybe. There are lots of different figures and methodological issues. If a dig a bit more you’ll find it’s clear as mud. Regardless , that wasn’t my point - far from being a novel idea there are lots of people looking at and arguing about it. Hell there is an industry around mitigations.