Fighting or making tea, leaving your own country to help another militarily, in whatever capacity, is a strange thing to do. Israel is full of Jews from all over the world. Sooner or later it will be in conflict with country whose nationals are also Israeli's.
12 Iraqi troops, militiamen killed in multiple ISIS suicide attacks (AP)
from the article: Magnate in U.K. scandal: I feared charges of a 'Jewish conspiracy'