Excellent graphics and sound, nice playability. I wish the item and creation systems were less complicated / time consuming vs total game time, but otherwise I can say this is a great addition to this genre in flash form.
Now regarding so called "theft" and "plagiarism" and all that. I think that's just the thinking of an older generation, doctored into the minds of the current one. The RIAA/MPAA dinosaur model is not the first time this sort of thing came and went, you can check out an article on arstechnica dot com, titled "Thomas Edison's plot to hijack the movie industry" to get a glimpse of how history goes full circle.
The broken system of intellectual property is in need of serious repair, we're at the internet age and the old dinosaurs are today's obstacle on this new and radical path to advancement in areas of art and culture.