I hope that there is no secret that the company is Adobe doing everything to ensure that its products were not released under Linux systems.
If you want my personal insider opinion on the facts, and what is wrong with both Adobe and Apple, check this posts and all its comments: https://www.facebook.com/occupyhtml5/posts/10151861946595679.
If you want to know what Jobs was scared of, and why he took such extreme measure to exterminate competition to iTunes and AppStore by killing the web, despite threat of international antitrust investigation by both FTC and EU Commission, check this Facebook note: https://www.facebook.com/notes/stephane-beladaci/one-code-an..., and this post: https://www.facebook.com/photo.php?fbid=10152254219025679.