This statement seems very defensive to me. I would have liked to see some kind of discussion in trying to learn from Munich's experience to make LibreOffice bet

This statement seems very defensive to me. I would have liked to see some kind of discussion in trying to learn from Munich's experience to make LibreOffice better. It's Open Source... you don't need spend time convincing people your product is better, as you don't get revenue from users. What OS projects need is community and participants, which you gain by being open to criticism and game for new efforts to improve.