There was a failure to recognize the deep problems in AI; for instance, those captured in Blocks World. The people building physical robots learned nothing. ↗
We wanted to solve robot problems and needed some vision, action, reasoning, planning, and so forth. We even used some structural learning, such as was being explored by Patrick Winston. ↗
From my parents, I learned a very strong work ethic, and all of my brothers and sisters all worked from the earliest days of life right through to the present time. ↗