20 years ago, my grandfather kept telling me that if I wanted to "get into computers" I should get a job as a cleaner, because if I worked hard as a cleaner the

20 years ago, my grandfather kept telling me that if I wanted to "get into computers" I should get a job as a cleaner, because if I worked hard as a cleaner the boss would notice me and promote me. Didn't listen when I told him that cleaning was all contracted out and the "boss" would never see me working hard as a cleaner.