New York Post Columnist Miranda Devine says everything the Biden administration is doing is "all about unwinding Donald Trump's policies" and the result is an "absolute disaster".

"Biden and Harris have put the sugar on the table. They've allowed the people smugglers to have a bonanza," she said.

"They're charging these poor people tens of thousands of dollars to make that very dangerous border crossing.

"Every adult you see alighting from these buses to go to these detention centres has a child with them ... there's no evidence the child is even related to that adult."