In a weird way this kind of does prove their point.
Of course it also goes to the point that Microsoft just cannot make anything browser related even slightly secure.
That is so ironic. At the same time you have to wonder if maybe they did it on purpose. Now all we need is for Firefox to mess around with Chrome security and it will have gone full circle.
I wonder if people who support this move would support Microsoft adding Chrome Frame to IE's ActiveX blacklist under the same circumstances.
If it made IE vulnerable to a drive-by owning, and was installed without the express permission of IE's users? I find it hard to imagine an argument against blacklisting it. So far all we have is conjecture though.