Exactly they list popular crypto currencies, but will avoid listing shady projects, this is the main goal, to prevent listing of tokens created to deliver alcohol, gambling and so on
I even do not think about this. Indeed there many tokens which are making alcohol, gambling, private videos and etc, and they are all out of laws of sheriat.
So you have time to evaluate it, because if you want to support this ICO or invest something, then you should learn main principles. Are you agree?