> “Almond milk” is not milk. You know what else is less carbon-intensive than milk? Candy corn. But that is also _not milk_, and so equally irrelevant!
While almond milk is an incomplete substitute for bovine mammary secretions, it is so much closer than candy corn that it has been used as a substitute for the last 800 or so years, and shared the "milk"-ness in the name before we had an English language:
The word “milk” has been used since around 1200 AD to refer to plant juices.
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https://www.ift.org/news-and-publications/food-technology-ma...This makes this use of the word older than English people spelling the thing chickens lay as "eggs" rather than "eyren": https://www.youtube.com/watch?v=rZ5znvym68k
The Romans called lettuce "lactūca", derived from lac (“milk”), because of the milky fluid in its stalks: https://en.wiktionary.org/wiki/lettuce
Similar examples abound.
For example, I grew up in the UK, where a standard Christmas seasonal food is the "mince pie", which is filled with "mincemeat". While this can be (and traditionally was) done with meat derivatives, in practice those sold in my lifetime have been almost entirely vegetarian. The etymology being when "meat" was the broad concept of food in general: https://en.wikipedia.org/wiki/Mincemeat
Further examples of this: today we speak of the "flesh" and "skin" of an apple.
Personally, I don't like almond milk. But denying that something which got "milk" in its name due to it's use as a milk-like-thing, before our language evolved from cross-breeding medieval German with medieval French, to argue against someone who said "Insofar as it is used for milk", is a very small nit to be picking.