Is 'Beginning at 8:52, the controller made repeated attempts to reach the crew of United 175.' a clear rebuttal of the premise 'The controller cared about the crew of United 175, so he tried to contact them several times.'
Beginning at 8:52, the controller made repeated attempts to reach the crew of United 175.###The controller cared about the crew of United 175, so he tried to contact them several times.