I don't know how to argue against an abstract claim like that. You could say coca cola's real product is "A taste of 1950s America" or that a designer suit is really "a statement of intent."
How do you argue that it is, in fact, a drink?
How do you argue that it is, in fact, a drink?
The whole point of the article is that it's not.
"All its accessories serve to buttress its real product: “office culture” as a service."
It might be more helpful to address the flaws in their argument than merely to state its opposite.