In the USA, this was supposed to be fixed in 2016 when the new nutrition facts label was introduced (the redesign that increased the font size of the calories).

By law, serving sizes must be based on the amount of food people typically consume, rather than how much they should consume.

https://www.fda.gov/food/nutrition-facts-label/serving-size-nutrition-facts-label

Of course, there’s still companies that skirt the rules.