The opening keynotes were presented by two personnes.
Then, Claire Blondel, who is a quality engineer, took the mike. Her talk puzzled quite a lot of people but echoed so much of my childhood. Through examples of her travels and her family, she explained how, in France, making mistakes is "inexcusable". This, according to her, can bring low self-esteem, lack of autonomy to deal with mistakes, and lack of perseverence to deal with them.