Answer:
They don't have a lot of chocolates
Okonkwos' gun went off during the burial of Ogbuefi Ezeudu who warned him against taking part in the death of Ikemefuna. The process killed Ezeudu's son who was only sixteen year-old. This is quite ironic because initially Ezeudu warned Okonkwos against committing a sin which he still was not able to escape from due to the accident.
Mond's description in terms of family life, problems and world state is not accurate nor a good solution. It is because in Mond's words, you can tell that he tries to pin point the negativity of the world without looking on the brighter side. It is true that he has a point and the negativity happening in our world does happen but he does not try to open his view in positivity, that is why it wasn't accurate.
