Regardless of the exact history of the cosmos
—whether the prevailing universe is but one in a cyclical series or a multiverse—the cosmological configuration
in toto necessarily began to exist in the finite past
ex nihilo. Those who grasp the incontrovertible first principles of logic, mathematics, and metaphysics, those who grasp the various scientific proofs per the laws of thermodynamics and the BGV theorem, know this.
Any opinion to the contrary is the la-la of irrationality of ignorance.
End of discussion.