Why? Because Noah “proceeded to do according to all that God had commanded him. He did just so. ”
فَيَجِبُ أَنْ نُطِيعَ ٱلتَّوْجِيهَاتِ ٱلَّتِي يُزَوِّدُنَا بِهَا يَهْوَه مِنْ خِلَالِ كَلِمَتِهِ وَهَيْئَتِهِ .‏ —‏ متى ٢٤ :‏ ١٤ ؛‏ ٢٨ :‏ ​ ١٩ ،‏ ٢٠‏ .‏