I’d say that by the time you find something in that database, the damage is already done. After the ”ad” is shown, it won’t be enough removing the ad or post a

I’d say that by the time you find something in that database, the damage is already done. After the ”ad” is shown, it won’t be enough removing the ad or post a ”correction article” to make someone forget what they saw or heard; especially not if the message is in line with their current beliefs. That’s what makes this scary.