Only 25-30% of Canadians know that alcohol carries a cancer risk. A lot of Canadians drink well in excess of “safe” limits. Informing the public allows everyone to make a conscious choice about a significantly risky product.
No one knows these things intuitively: they need to encounter that information repeatedly before they will know it well enough to use that information in making a decision. Adding a written warning on the bottle label is a sensible, inexpensive, effective way to accomplish this.
I want to be more informed, not less.