Earlier quoted context omitted.
Anyone can throw in a silly comparison but it doesn't really help. I'm fairy certain you're smart enough to reflect on the nuance that this topic deserves. Some bad things are legal. Some bad things aren't. It's a complex thing for society to weigh up and the linked article attempts to contribute to that discussion.
I'm not being glib. This article is premised on the idea that because there are no health benefits to tobacco (none.), it has no value whatsoever. But it clearly does have value: it is a source of pleasure for a large number of people. Pleasure has value. People shouldn't smoke, it makes perfect sense to vice-tax it to offset the externalities, and nobody should valorize the companies profiting from those externaliti…
Here you're picked the extremes to make your point stronger. There's plenty of prohibited substances and behaviours that are much closer to the gray area that this article is pondering on.
I don't have a clear view on this topic myself - but there's too many people in this thread claiming that it's absurd to even have the discussion - which I think is lazy and disingenuous.