Not for the Dutch*, they knew it all along!
* and Germans, etc.
Actually, it wasn't. It was created by RMS.
Did you really only read his first sentence?
"Work on open source" is not what he said, he said "work with and develop on open source platforms".
If it happens once, it's a bug. If it happens twice, it's a feature. If it happens more than twice, it's a design philosophy.