> there are a few A-players and a ton of C-players. So I am certain to suffer from C-players, and my browser may never encounter an A-player. If there were a

> there are a few A-players and a ton of C-players. So I am certain to suffer from C-players, and my browser may never encounter an A-player. If there were a way for me to a) believe that ad network X is non-malicious A-player, b) for me on my side of the browser to set and forget whitelisting that A-player, c) to know that the A-player hasn't been acquired by a malicious C-player, and d) that a publisher was only using non-malicious A-players, THEN I would enable (some) ads. But it's too much work on my side. A-players need to be talking to publishers and C-players, and driving the C-players OUT. Until then, I block indiscriminately. I'm not against ads, I'm against unnecessary risk.