He and his wife likely discussed his trip and agreed on it before his daughter was conceived. It would be shameful if he had gone against the wishes of his family, if they were okay with it it’s not shameful.
It’s shameful, regardless. He has three small children that will now grow-up without a father because he put his own pleasure ahead of his children’s need of a father. Good parents don’t value their own jollies over raising their children.