Let them boycott.
It would be irresponsible for ANY airlines to apologize and bow to their threats. Muslims are entirely at fault for being profiled and carefully screened by airline personnel, including the pilots who fly the planes.
What about us? We now have to go through some really strict and embarrassing procedures at airports now. Not only is it an intrusion on our privacy, but time consuming as well. And we owe it all to Muslim terrorists.