However, don't we grow tolerant to pleasures? For instance, the first time you have a salty chip, its great. The 100th time you had one, its not great.
Also, curious if you are limiting it to processed foods, or are making claims that potatoes are more addictive than before.
The first, obvious, but it has manufacturing and inventory costs. The latter is happening on such a tiny scale, its not noteworthy.