The policy could potentially make life easier both for Microsoft and developers, he said.
"I think it's a wonderful idea to have the actual box be the dev kits," Notch said. "This makes it easier for both the developer and for Microsoft, and presumably they could make it a lot cheaper since they'd only sell unlock codes. I realize there are other factors at play here, though, like a perceived need to make sure only 'legitimate' developers get access to it, so a monetary barrier might still be in place."
In a statement announcing the next-gen console's developer-focused functionality, corporate vice president of Xbox Marc Whitten said that Microsoft's "vision is that every person can be a creator." The features are expected to arrive in the console's first year, he said.
For more on developers' perspectives about using Xbox One as a development kit, be sure to read Polygon's interview with several developers on the day of the announcement. You can also check out our report to learn how the Xbox One compares to Sony's PlayStation 4 development costs.