No, there's an actual paper where that term originated that goes into great deal explaining what it means and what it applies to. It answers those questions and addresses potential objections people might respond with.
There's no need for--and, frankly, nothing interesting about--"but, what is truth, really?" vibes-based takes on the term.
While this is clearly popular, I can definitely see why Wonka Pharmaceuticals decided to work on an oral formulation before bringing it to market.