The big networks filter such traffic, the small networks benefit from it.
https://www.reddit.com/r/legal/comments/1pq6kgp/is_it_legal_...
You may also get accidentally get your own website blacklisted or moved to a lower RPM tier, or provoke shadow-ban websites that you like to visit, or... generate more ad revenue for them.
If you intentionally loop-download large files or fake requests on websites that you don't like, in order to create big CDN charges for them, then what ?
Without reaching the threshold of Denial of Service, just sneakily growing it.
Nobody benefits, except for the weird idea of the pleasure of harming people, still illegal.
Not doubtful at all. He literally laid out the definition of click fraud for you.
As someone who ran ads on web sites as far back as 1995, that has been the term the industry has used forever.
Replying with a dismissive "doubtful" demonstrates that you don't know what you're talking about.