This is 100% how search engine optimization works, the consultants are correct. As a marketer, when I search for marketing information on Google 70%-90% of the time all of the stuff on the 1st page generally isn't teaching me anything I didn't already know. But as someone who does this exact thing, I know how expensive good content is - hiring an author to write 3,000 words of valuable information for a reader can co…
What I don't like about your line of thinking is that creating such content should even cost money. Knowledge should be free at our point in time and supposed evolutional stage. But it's not. I'd gladly donate some local lectures on the stuff I know if I had the time. But I wouldn't charge money for it. Knowledge should be free. And internet should have become mega yellow pages on steroids like a decade ago.
But we forget that few people even had the Internet back then, and it wasn't commerce-oriented in the way it is now. And back then, those with the capability to put websites online, without things like Blogspot, Wordpress, and the like, were a pretty select minority who had the technical chops and a desire to spread information without expecting any compensation.