Microsoft has posted a video of testimonials criticizing OpenOffice. I do believe that some users can have problems with OpenOffice because they think that it is a drop-in replacement for Microsoft Office, the same problem that has plagued Linux since its appearance. I use OpenOffice, as a different office suite with its own feature sets, like excellent support for ODF and one-click PDF export. OpenOffice is not a copy of Microsoft Office, it has its own offering and solves a different problem, perhaps bigger than what Microsoft Office does. So thrashing OpenOffice to justify Microsoft Office highlights nothing else but insecurity on Microsoft’s part.