An ad hominem attack against an individual, not against an idea, is highly flattering. It indicates that the person does not have anything intelligent to say about your message.
Nassim Nicholas TalebPeople who forecast simply because "that's my job," knowing pretty well that their forecast is ineffectual, are not what I would call ethical. What they do is no different from repeating lies simply because "it's my job."
Nassim Nicholas Taleb