Again Ottamans took by forced and ottomans cant go and colonise other muslim land dont using Quran to justified colonilism
Saudi had every right to rebel if their been colonise by ottomans
The saudis came from the Najd/land east of it.
The Hejazis were the ones that rebelled, the Saudis conquered Hejaz after WWI.
Also, ever since the fitnahs and the Abbasid Revolution, the Arabs have ever been in a state of turmoil.
The Turks actually bought 400 years of peace to the Holy cities, Syria, and Palestine.
The Persians would occasionally attack Mesopotamia but it was safe for most of the time.
You have to understand that the Arabs had fought numerous times against each other. The Turks conquered the Mamluks and kept the peace until the arabs decided to believe in Big Papa Britain