> This just goes to show how critical of an issue this is that these models are behind closed doors. How is competitive advantage, using in-house developed/fun

> This just goes to show how critical of an issue this is that these models are behind closed doors. How is competitive advantage, using in-house developed/funded tools, a critical issue? Every company has tools that only they have, that they pay significantly for to develop, and use extensively. It's can often be the primary thing that really differentiates companies who are all doing similar things.