Following the announcement that the Government will legislate for a total ban of paid-for online ads for certain products high in fat, salt and sugar, I am astounded and hugely disappointed that headline-grabbing, hollow actions have trumped evidence-led solutions. This blunt and ill-informed policy will not only do untold damage to the digital advertising industry, it creates the illusion of progress being made on the critical issue of childhood obesity, when in fact the evidence shows that...