Right. When can I run Microsoft Office through a “transformation” and then claim it magically isn’t covered by copyright laws?

Did Microsoft say that OpenOffice/Libreoffice's interface was directly copyright infringement? I know people that could not make a distinction 10 years ago (now with the ribbons is simpler to distinguish).

Ofc Microsoft tried to limit the use of OpenOffice/LibreOffice using file format quirks and other strategies, so they are no angel, but still I don't know of a clear parallel.