As long as John Howard is PM - Australia would come to our side. By the time the Brits appeased their muslims, it would be all over with.
Consider the diffences in “rules of engagement” under the various presidents.
Under ANY clinton presidency we would have Carter-esque surrender style rules. A paper tiger which holds all conflice is a “police matter”.
I think the British military is going to pay a serious price for their weakness for many years to come.