This is very much not true. Microsoft was forced into publishing a lot of documentation through anti-trust, which is why e.g. Office document formats or SMB pro

This is very much not true. Microsoft was forced into publishing a lot of documentation through anti-trust, which is why e.g. Office document formats or SMB protocol are published (and used for interop by projects such as Samba). The problem was not enough anti-trust, not that it doesn't work.