1. To illustrate that an IDN script-based registration (particularly with Arabic Script) is a good ground for phishing.
2. To encourage the international communities in general and language communities ( that use Arabic script) in particular to work together in finding solutions to these kind of problems.
3. To speed up the process for ccTLD IDN fast track where each IDN ccTLD will serve only one language.
4. If new IDN-gTLDs will be open, then they should focus on languages rather than scripts till a solution has been reached (see point 2)

 For more information see this the Power Presentation that was delivered on the ICANN regional meeting, Dubai 1-3 April 2008 [.pdf]
 Also check some available tools on Arabic script and IDN