And why not allow this app on the same grounds?
Seriously, where I live people are sort of losing interest in Mage Wars. I am not saying that a spell-book builder would necessarily reverse this trend, but it sure wouldn't hurt.
I also don't understand why they need to be so cautious. What is the worst thing that can happen with their IP if they allow this app? Can someone please provide a concrete example of a worst-case-scenario where “one fan have free reign with their IP”. If this leads to another less scrupulous person making something worse, can’t AW, at that point, just tell that less scrupulous person to stop?
Not allowing a free, fan developed app, for me that makes the warning bells start to ring. Please AW, don’t be overprotective about your IP. I am convinced you can become more successful than Games Workshop without adopting their idiotic IP and trademark policies that alienate so many fans.