There are two assumptions here that are untrue and changing them would change the order of magnitude of the answer: - That as soon as an answer to something is

There are two assumptions here that are untrue and changing them would change the order of magnitude of the answer: - That as soon as an answer to something is on StackOverflow, it isn't available anywhere else - That every pageview on an answer saves someone 10$. Everyone running any kind of webpage knows how small of a percentage of the views is from people really trying to use it at all, and likely even among those a large fraction does not have any particular problem, but just view those "top 100 books" etc. mini-articles.