Users didn't start blocking ads because of some unreasonable hatered towards good deals on stuff and services. Users started blocking ads because of bad ad practices. I don't want to search through 10 tabs looking for that one dickhead page that's playing audio half way down a mile long article. I don't want to search for an X and cross my fingers that I'm not getting hijacked, simply because my cursor ventured away from the content area of the website. I really really really don't want to take your survey about how well your website works 1½ seconds after loading the page. I don't want blinking banners telling me I've won some imaginary prize.
Bad ad practices have gotten so out of hand that I would claim it's down right a security risk for the average user not to run some sort of ad/flash blocker. My pensioned mother has installed trojans in the belief that she's actually getting a real security warning that her computer is infected, because of fraudulent ads served on regular websites. If the people that manage those ad networks don't give a damn what they're serving, I don't give a damn about what they want to sell me.
I unblock on a pr. page basis. I do believe the content creators I follow, on for example youtube, deserve some money for their efforts, so I sit through some of their video ads. Slashdot ads I've simply forgotten to unblock, because they're so unintrusive that I forget they're there (will unblock after submitting this). Random faceless media can however kiss my ass. If I don't trust them, if I can't trust them and if I don't have any emotional/personal connection to them, they don't deserve the income I can generate for them.