Why does it matter if these are "limited edition"?

Chocolate bar display at Shoppers Drug Mart, Vancouver, BC

Nestle, Limited Edition Chocolate Bars $1.49

I remain perplexed by marketers need to make the ordinary special.

How many people will pick up these chocolate bars because they are "limited edition". It is not like a lithograph, or a new Ferrari.

Nestle has made thousands, or tens of thousands, or even hundreds of thousands of these bars. I would not call that limited. The only thing that is limited about these bars is my interest in paying $1.49.