In recent years, Qur'an, the holy book for Muslims, has come under increased scrutiny due to the widespread of Islamophobia and the growing threat of terrorism by certain extremist groups. It is considered by many as a book of hatred, anti-feminism, or even a 'manual' for terrorists. Some even went as far as planning to burn the book that is regarded as containing 'the words of God' by at least one billion people worldwide.
Many have come to expect science to be the final arbiter for questions of this kind. In this case this early radiocarbon date raises more questions than it provides answers. The dates arrived at are so at odds with those obtained through other established means that many scholars, including me, are withholding final judgment until more information becomes available while exploring all options.
To some, khat, variously spelled cott or qat, is known as "the flower of paradise". The leaves are chewed by many people in countries like Yemen, Somalia and Ethiopia, in much the same way that coca leaves are chewed in South America. It's a social drug used by millions of people, and in Muslim countries it offers a high that is not banned by the Koran.