I added "I'm sure there is a net cost..." immediately after that line because I'm aware of the broken window fallacy, and I anticipated that some HN'er would wa

I added "I'm sure there is a net cost..." immediately after that line because I'm aware of the broken window fallacy, and I anticipated that some HN'er would want to pick that nit, and I was hoping to avoid the usual absurdity of absolutism vs. first-order-approximation. But, that doesn't seem to have worked for you and one other reply (so far). How would you have phrased this to prevent this misunderstanding?