My take is that taxation and regulation of sugar will not reduce obesity! It is something that only education, moderation and realistic lifestyle choices can address.
There were minimal 'diet' foods, fat-free/sugar-free or anything else 'free' in the 70's and 80's. Back then, obesity existed in just over 10% of the US population. By the early-2000's that figure has moved above 35% – even with all the new programs, apps, and 'healthy foods' at our disposal.
This article showcases an important consideration in the interest of health. But to tax us for consuming sugar...
The way I see it: either we're barking up the wrong tree, or I'm missing something.