Phobia...
is an exaggerated usually inexplicable and illogical fear of a particular object, class of objects, or situation.
I don't think the word applies considering the events of 9-11 and the frequently repeated promises of radical Muslims to slaughter infidels in mass quantities.
Gun nuts should certtainly be included in any list of potential threats.
Xenophobic might rightfully be applied to the Chinese government's relations with the ROW in the absence of any overt threat against them