If you care about your product you have to draw a line somewhere. The more developers that take a stance and don't support the criminal negligence of IE's support of broadly accepted standards the sooner we can all eliminate needless time costs of making sites agnostic to the point of stupidity.
Huh? The issue was with an .exe not being digitally signed and IE's scary warning that it might be malware. Very similar to what Apple are going to do in 10.8 (Gatekeeper).
