The boy at Microsoft let us know how the really feel in this article in the Redmond Channel Partner —
Of course, we're sure that Microsoft, uh, strongly encouraged a few delegates from a few nations to change their votes — which lots of delegates did. And, really, OOXML's acceptance isn't all that big of a deal for partners and users, practically speaking; after all, Microsoft document formats are also de facto standards.
But now, all of those government agencies charged with implementing standards-based computing are free to turn away from open source and run back to sweet mama Microsoft if they so choose. And whatever momentum open source had gained by taking the standards route in IT departments has certainly slowed — if not come to a screeching halt.
Something tells me that someone is going to regret this one in the morning.