Maybe someone should talk to Cyan. Definitely with things like FCA's going around, which can only be used by RECOGNIZING the efforts of the GoW blender workers like Andy and D'eux, to name a few, it does break rules a bit.
I could send a letter to Ryan about this. Just ask if we could have some SOLID information on what's legal and what's not. IMO, this would be a finite set of rules:
It is wrong to...
1) Download Cyan content you haven't already payed for
2) Editing or removing content from Cyan-made Ages
3) Using Cyan property without justifiable permission (ex. you should have an FCA and be legally clear with Cyan that you make Ages)
4) Duplicating Cyan work in personal Ages (ex. Texture copying, using of sounds)
5) Offering "adaptations" or "expansion packs" to Cyan software (ex. using things like the MOUL-auto installer to automatically install things you haven't payed for)
6) Using Myst/Uru content or story directly in an Age (ex. don't have a Riven book in your "created" recreation of Tomahna. In fact, don't even DO Tomahna)
7) Selling/buying content you've made or edited for Uru between parties other than Cyan (odds are they wouldn't buy, but you get what I mean)
I think that's a pretty clear and understandable set of rules. Pretty much, you just be clear with Cyan about what you do before you go ahead and do it. The FCA's are a showing that Cyan notices your work and approves. Apart from that, I dunno what to think anymore :S