"Will the ban really discourage youngsters from smoking?" gotta try something though haven't they?
"Will more people stop smoking because of this new ruling? " No, probably not- the ever increasing price of them will be far more effective!
"No doubt that some smokers who do not necessarily have a favourite brand, will be unable to compare prices in the future." Arent the prices displayed on a board?
"And packets which may carry a promotion, will be hidden from the consumer. " no cigarettes or tobacco packs have promotions on them, haven't for a long while now.
"My local supermarket have a sliding door cabinet holding the cigarettes. I'm sure the assistant will soon be bored with opening it just for a packet of fags! " yes, no doubt they will, as I will when my shop (Co op) does it, but what can you do?