Morals in themselves, if not Godly, are then all but social constructs on the merit that it will always be subjective, as it will rely on the variables of society and culture.
An unchanging higher standard is required.
If you’re more outraged by Christians being offended by the Olympic Games opening ceremony than the fact that there were hyper-s*xualised, naked dudes on a stage with children, you might have bigger problems than the Christians.