AVG is an antivirus. When users install it, they give it full privileges. A program like AVG Antivirus runs on many computers. Ofcourse this gives AVG enormous

AVG is an antivirus. When users install it, they give it full privileges. A program like AVG Antivirus runs on many computers. Ofcourse this gives AVG enormous power to affect ad market, not only will CTRs go down, but also if AVG is corrupt, they can make auto clickers or have rival's ad income down by a great extent, or eat up adsense impressions of rivals. I wonder why didn't anyone think before implementing this.