Yes, as soon as the TSA begins loosening its procedures like other countries(using your example), gun toting idiots will come out of the woodwork to board fligh

Yes, as soon as the TSA begins loosening its procedures like other countries(using your example), gun toting idiots will come out of the woodwork to board flights. Obviously this is what happens in every other country. The current TSA procedures are the only thing stopping the hoards of gun toting idiots attempting to board planes.