It opens up Google for a lawsuit from Microsoft - (1) Microsoft and Google create competing projects in parallel (2) Microsoft discloses project to MVP under N

It opens up Google for a lawsuit from Microsoft - (1) Microsoft and Google create competing projects in parallel (2) Microsoft discloses project to MVP under NDA (3) Project is released, Microsoft sues Google for reverse engineering, and can prove that MVP had access to the beta project. (4) Lawsuit takes years and is eventually settled just to put it out of its misery.