Society does have a reponsibility to not provide those substances that cause serious physical harm to many people more readily and cheaply than those more suite

Society does have a reponsibility to not provide those substances that cause serious physical harm to many people more readily and cheaply than those more suited to good life. Yet we don't tax sugar, processed food is the cheapest and non-processed are the most expensive. The entire food industry is designed to sell more of 'their' product, and the addictiveness is developed more than the health value. Lobbyists ensure the governments keep the status quo.