Earlier quoted context omitted.
He's using this approach because the EU requires documents to be in an open format, and by him advocating that OOXML is only open by name, he can advance a legal argument that OpenDocument is the only acceptable format. Office supports OpenDocument.l, it just doesn't use it by default.
I understand his approach but it's a dumb approach. OOXML is plenty open, proven by the fact LibreOffice works with it fine. The push to force Europe switch to ODF only serves to suggest LibreOffice isn't capable of replacing Microsoft Office (in a world where most other organizations use Office). This is a conversation I have at work, where people laugh when LibreOffice is mentioned and suggest it's incompatible and…
No, it doesn't only do that. It also suggests the open xml MS Office format is a mess.*
> This is a conversation I have at work, where people laugh when LibreOffice is mentioned and suggest it's incompatible and we can't consider it.
This is evidence your coworkers are misinformed and you can't correct them. It is not proof that the only thing this blog post does is communicate LibreOffice can't handle Microsoft Office docs.
* this is a tale as old as time, I'm 37, remembering reading about this over and over again on /. when I was a young teen. It was part and parcel with Microsoft's antitrust era. The idea was the open format would help avoid antitrust claims, the complaint was the open format was so byzantine as to be effectively closed.