This title is complete click bait - Google is not defrauding advertisers (no deceptive intent); bots / viruses / bad actors are. The fraud mechanism is clicks

This title is complete click bait - Google is not defrauding advertisers (no deceptive intent); bots / viruses / bad actors are. The fraud mechanism is clicks on Google search ads which causes general distrust in advertising and so it is in both Google and advertiser's interests to block these clicks.