Maybe we should update the FAQ.
There are 2 docking solutions already in the default distribution:
Anchordocking and Easydockmanager. They both still are beta, with some bugs and some features missing.
There is another dockmanager in CodeTyphon(So I am told). I do not know, if it is any more complete.
And there is KZDesktop (Which falls under the category listed in the FAQ). But it is published, and anyone can use/improve it.
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However: all of them are NOT enabled by the default installer (even so the first 2 are installed). And that will not change, until they are stable enough.
But as for your point: There is enough raw material for any one to work on.