He created a testing system that encourages cheating. He made it too easy to cheat, so if one student cheated other students (who are all in competition together) would need to cheat as well less they receive a relatively lower grade.
Then when he detected the cheating he didn’t attempt to minimize the damage. Instead he focused all his time and effort building a solution that nobody needed, and let the main problem escalate to the point where nearly all his students were cheating.
He created a testing system that encourages cheating. He made it too easy to cheat, so if one student cheated other students (who are all in competition together) would need to cheat as well less they receive a relatively lower grade.
Then when he detected the cheating he didn’t attempt to minimize the damage. Instead he focused all his time and effort building a solution that nobody needed, and let the main problem escalate to the point where nearly all his students were cheating.
The lecturer should be fired.