Religious Jews and Muslims don't eat in non kosher/halal restaurants because of the lack of properly prepared and sourced meats. There's a specific set of rule

Religious Jews and Muslims don't eat in non kosher/halal restaurants because of the lack of properly prepared and sourced meats. There's a specific set of rules surrounding kosher/halal meats, it's not just abstention from pork... I personally don't care where anyone eats, but if a Jew/Muslim eats in a non-kosher/halal restaurant, they're already compromising...