I can’t quite get my head around that question. In the UK, cigarette advertisement has been banned, so that is not-advertised, yet still sells nonetheless. However, I don’t think advertisement of cigarettes per se results in direct purchase. Just that the gradual removal of them in public space results in lesser inclination to pick up the habit.
Either way, I agree that advertisement is a form of violence. Its invasive and manipulates immature minds, children for example being especially prone and as a result pressuring parents for things. Another case in the UK recently is the Labour leader speaking out against the advertisement of pay-day loans during daytime TV when children are more likely watching due to the adverts creating a kind of acceptable air to the whole notion of pay-day loans and ever-present debt. Fuckers.
I am slightly inclined to say that companies have a right to advertise their wares. However, I’d be a bit of a fascist regarding when, where, and how they are allowed to do this. The whole data-mining sctructure of the likes of Facebook and Google for one I find toxic. I’d outlaw that shit in an instant.