The thing is, if the product is actually valuable to me, I would spend more money on them that they could ever make from me through ads.
"But wait, what about freemium? Plenty of services remove the ads for paying customers", one might ask. The problem with it is that you now a have false sense of choice:
1) Free product + ads
2) Paid product and no ads.
There is a third alternative: free product, adblock, no ads.
Yes, marketing is much more than advertising. But I think that the "advertising" part is what everything else is based on, when it shouldn't. To take on your example, the "press who review products" is, most of the time, dependent on eyeballs to sell ads to. This model is so broken that you either have newspapers going bankrupt or Huffington Post-style blogs, with zero actual content.
If enough people started using adblock, perhaps we would get to a point where the current model would be unsustainable, which would producers to either:
- Get rid of ad-based services and products, and start charging directly.
- Improve their ads to make it more relevant to consumers.