Some websites refuse to show any content if you are using an adblocker -- that is their policy decision.
From a user's point of view -- they are paying for the data transmission. The ads on a most websites are more KB than the text content that that site has to offer.
It's is a yin yang thing as I said.
The user with the ad block on has a choice; [x] or disable that adblocker.
Smart websites adapt to this.
Dinosaurs do not -- this doesn't mean that they die necessarily but advertising on those websites;
1.] yields a lesser return
2.] and is worth a lesser price
There is the alternative of the pay wall (or paysite).
There is the donation model like Wikimedia/wikipedia. I donate $50/ year to support Wikipedia because I find that information useful and want it to be there for reference.
Websites do cost money to operate and need revenue. But being the billboards of the Internet is the cause of the problem. Those reasons are outlined in that last PDF link -- interesting read if you are spending $1,000s a month on Internet ads like we do.