Security or Usability: Maliciously Disabling UAC in Windows 7

At OSNews, we usually do not report on individual security breaches, because there are websites specifically tailored to that sort of thing. Still, every now and then, an interesting security issue pops up that deserves some attention.
How about this one: through a simple VBScript, you can completely disable UAC in Windows 7. The reason for this might surprise you.

Update: Microsoft's response.

Source: *www.osnews.com/story/20883/Security_or_Usability_Maliciously_Disabling_UAC_in_Windows_7