Totally fair - I developed the tool for a product that won't be released until early next year so the cost savings are estimates based on expected production volumes. Its performance in a lower volume development environment has been consistent, however.

I didn't downvote the parent, but I also don't consider it to be civil (which is requested in the HN Guidelines). There are a number of ways to point out that this is not yet in production, and many of them don't require the dismissive tone his comment struck.