"In theory the bug could have led to airliners crashing into the ground, though the presence of two trained and alert humans in the cockpit monitoring what the aircraft was doing made this a remote possibility."
The onus is always on the crew.
Glad they found the bug.
2011 Odyssey Touring Elite 80k mi. M1 EP, 0W-20, FU
2008 Mustang GT 81k mi. Edge EP (Gold) 5W-20, FU