After Billy disappeared, Mr. Burns told Grandpa Abe that he would make sure that his son (Homer) had a lifelong job at the nuclear plant, if he called off the investigation, “no matter how often and how badly” he messed up.
As the show has made clear, he’s stayed true to his word, telling Grandpa Abe in the present day, “And that’s why your son wasn’t fired for screwing up 742 times.”
Over the course of The Simpsons three decades long run, Homer has never been a model employee, often sleeping on the job, operating machinery in a way that’s dangerous to him and his coworkers—and simply being Homer.
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