They are strict about their distance to Microsoft to avoid copyright law cases. They want to make sure it is a blackbox reimplementation and no internal knowled

They are strict about their distance to Microsoft to avoid copyright law cases. They want to make sure it is a blackbox reimplementation and no internal knowledge came in. Aside from that they are a an open source project, working on a open/libre alternative. Some people in the project certainly have issues with Microsoft, others don't.