I disagree strongly as well. For example if you have something like ng-show="is_admin()" and $scope.is_admin = function() { return $scope.logged_in && $scope.ro

I disagree strongly as well. For example if you have something like ng-show="is_admin()" and $scope.is_admin = function() { return $scope.logged_in && $scope.role='admin' } or some other complexity reducing function, I don't understand how that would be significantly less performant than copying and pasting the return statement everywhere in your html.