I think people would actually increase their consumption if they felt like they could control the sugar. In my cynicism I think it would actually increase total

I think people would actually increase their consumption if they felt like they could control the sugar. In my cynicism I think it would actually increase total sugar consumption (who's going to keep track of how many packets they're having) , Only putting in 1/2 the normal sugar rounds down to 0 in the mind and means "I put less in, therefore I can have 4 cokes a day) ....