What is Islam's stance on the crescent or moon, and have the Qur'an and Sunnah urged its adoption as a symbol for Islam and Muslims? Why was it placed on mosque minbars, who was the first to place it, and why is this symbol not removed if it has no basis in Islamic law?

One must beware of the fallacies of the people of falsehood. The religion of Islam invalidates the worship of anything other than Allah, and explicitly forbade the worship of the sun and the moon. The crescent is a creature with which the timings of worship are associated for Muslims only, and a specific supplication was narrated from the Prophet upon seeing it. As for placing the crescent as a symbol on minarets and mosques, no text has been reported that prohibits it. This was an act done by the Ottomans to distinguish between Muslim institutions and the institutions of the people of the cross, and it is a considered benefit that Muslims have practiced. To say that placing the crescent as a symbol is idolatry is a fallacy; otherwise, Muslims would be worshipping everything they venerate, such as the Kaaba and Jerusalem.