consider the idea that malware authors already knew about the vulnerability and have been using it.
Do you have any evidence that is the case? The original post didn't mention it.
Otherwise it just sounds like excusing irresponsible disclosure.
Re:Ubisoft "Uplay" DRM exposed as rootkit
by lawnchair_larry on Monday July 30, 2012 @11:57AM
(#4312931)
The term you are looking for is Coordinated Disclosure.
http://www.theregister.co.uk/2010/07/22/microsoft_coordinate...
Many believe it is irresponsible to delay informing users that they have a major backdoor exposing them.
http://en.wikipedia.org/wiki/Full_disclosure
As for your "raging hacker who ...," dig, consider the idea that malware authors already knew about the vulnerability and have been using it.