> which materially improves peoples lives and health Agreed, saying this is an exercise in speculation. Apologies I could have been clearer. I'm not saying

> which materially improves peoples lives and health Agreed, saying this is an exercise in speculation. Apologies I could have been clearer. I'm not saying it was a bad idea or couldn't have worked, just that this had not been demonstrated - and it's a big stretch to assume it would.