Earlier quoted context omitted.
Why can’t Google do this? Surely their data is better than yours. They get paid for adverts to bots don’t they? Unrelated?
Nobody wants to admit just how bad the bot problem is, because it starts to dig into the fact that advertising isn't nearly as effective as advertisers let on
Most marketers should know exactly how effective their ads are by measuring to the end of the funnel. This is standard for most business and while bots are a problem, if you're judging online advertising at the front end of the funnel that's to a large part on them for a bad setup and/or optimisation.