1. This ban is unconstitutional on the grounds that it discriminates based on religion. 2. This ban goes against even the values inscribed on the statue of liberty. 3. This ban is opposed by national security experts on both the left and the right because it provides fodder to Daesh who will use it to recruit new members. 4. The executive order mentions 9/11 three times for justification of its actions and yet none of the countries whose citizens participated in 9/11 are part of the ban - they also happen to be countries where trump does business.