Online grocery firm Ocado announced plans last week to slash 1,000 jobs from its workforce of about 20,000 people. The firm, which has headquarters in Hatfield, Hertfordshire, suggested the company's tech wizards had been victims of their own success. "We have largely completed a very significant phase of investment in our robotics and automation capabilities," said chief executive Tim Steiner. Steiner is talking about AI. But did it really play a role in the company's decision to cut so many