But it does reduce popups to 0, which reduces those fake "you have 5 viruses! Scan now" programs that fill up the whole screen (and probably cause a portion of malware).
Maybe a reliable IE clientside bumps the number up north of $200,000, because folk wisdom puts the actual value of a reliable IE in the six figures. I don't know. I know what a year of time from someone who can find these bugs costs.