It is absolutely a lubricant - it is a combination "lubricant, rust preventive, penetrant and moisture displacer". Whether it's the correct or best lubricant for many applications is iffy, but that doesn't mean it isn't a lubricant!
That makes it the "best" for a lot of "anything works" applications.
oh right, it also seems to leave a gummy residue, which is really not great for machine tools
Not the parent comment, but sometimes comments are so outrageous it makes me laugh.
Like what else do you even want at that point?
Source that you can put gas in your car? That pop tarts are food? Like yes, it's advertised as food, I can tell it's food, I've eaten it - but where is your source for it being food other than all that?