Originally Posted by robb
It's also dangerous to propagate myths like just clicking a link can unleash a virus on your computer.
Even if it's not a myth, it's not worth reporting.
Idiots who download executables from unknown sources will get infected. Other people won't. Warning messages will likely be ignored by the former group and simply annoy the latter group.
More importantly, there are hundreds of worms and viruses out there. If you were to try to warn everyone about all of them, we would be constantly swamped with such warnings.