That doesn't mean it subtracts value. Or that it is idle.
What you've described is quite different. It is opportunity cost. If that is what he's thinking then he should say it... except such clarity would support scrunity that his conclusions might not withstand.
> in economic terms, a parking lot doesn’t simply fail to add value; it actively subtracts value. Every year it sits idle
Idle. Cars park on it, right?
But no, it is sincere.