The Pope visits Abu Dhabi, close to the home of Islam. All religions express a fundamental human aspiration, goodness, it’s appropriate for them to come together.
Buddhism, Hinduism, Judaism, Sufism, Catholicism, Islam, there are so many human religions. Indeed God, Allah and Buddha exist, presently at the very least in the thoughts of humanity. I too think there is something beyond human perceptions. Religions, while focusing on their truths, are human expressions of that something else. All cultures are aware of something beyond our perception.
When I studied Anthropology religion was often used for cross cultural analysis. All human collectives had a belief. Using it for cross cultural analysis we tried to arrive at what is fundamentally human, the desire for goodness.