A large part of the established world order, for better or worse, is based on the predictability of US foreign policy.
Until it's clear that Trump is going to honor our existing agreements, continue to push for freedom of the seas, etc, that world order is going to start evolving into something different.
I constantly hear this argument in favor of the US intervening this or that place and I remain a bit skeptical. I don't think anyone really believes the US is going to neglect its obligations to countries it has actual defense agreements with, no matter what foolish thing Donald Trump is saying this week.
Until it's clear that Trump is going to honor our existing agreements, continue to push for freedom of the seas, etc, that world order is going to start evolving into something different.