Andir:
I never made any statements about myself, just what I noticed in other people's attitudes. I also never made any statement about you, and my observation wasn't directed at you, so I'm not sure why you thought that I said you had personally said something.
I only thought it was something which might be helpful to consider for the general conversation.
I'm not passing judgment on this 'clone' either, since I don't know much about it.
If you came up with such a game as you describe, I'm sure it wouldn't really be similar enough to DF to irk Toady over intellectual property, as the way you describe it, it seems to be an original creation with some derived themes. Derivation is not synonymous with copying. There seems to be some confusion about what intellectual property is and what copyright is suppose to do.
Toady has a right to the fruit of his labors, and that is protected by the law in most places, by allowing him legal compensation when someone else makes a profit off of his work in whole or part. For his case to hold up, the other product would have to have elements which are clearly copies and not just similarly themed original creations, and the author would have to be deriving some sort of profit (or copying with the intent to derive a profit from), or causing measurable damage to Toady and his business. This doesn't stop anyone from copying DF for their own use, only from copying DF and distributing. A similar game with similar themes is not necessarily a clone, and a clone (in the way the word is used for games) is not necessarily a copy.
I don't meant to defend a specific implementation of copyright law, which could probably be improved where-ever you might be.