Probably? One of the subtexts of this article and the ensuing conversation is that English has an absolutely mind-smashing amount of variability in usage.

In my general area, just a few hundred kilometers separates two groups of people who are frequently confused by each others' usage of the word "party store." Expanding a hyponym's meaning to encompass that of its hypernym is so common that I'm not even sure it requires special explanation. I've got some family members whose favorite kind of coke is Pepsi.