Olaf the Stout
Hero
masshysteria said:Do limited runs of books for certain campaign settings and then move on to the next, leaving the core as is. Produce 10 Eberron books released over a couple years and then stop making Eberron stuff and move on to the next setting. This allows for new rules and tweaks, but can be set aside when the new setting comes out letting designers start over without having to deal with the baggage of a bunch of additional rules/options. Probably want very different settings in print at any given time.
I can still see a situation happening where they release books and some people complain because their favourite area wasn't included and so therefore the setting isn't complete. Unfortunately you're never going to please everyone.
Also by making 10 books and then moving onto a new setting you will fragment the market. This is part of the reason why TSR went under.
Thirdly, there is the business decisions of the company (i.e. WotC) to consider. If a particular line of books is selling well then it makes good business sense for them to continue producing books along those lines. Sales will often decide what books and how many books are made.
Olaf the Stout