Billions have been spent rebuilding New Orleans once. Per the article, there's no realistic way to save New Orleans going forward. It's sad, it's unfortunate, it's reality.

The poor and homeless of Louisiana are already receiving massive benefits: 4th in the country for the share of households on welfare, 18% of the population on food stamps, $14B+ in FY23 of federal dollars went to welfare/TANF/Medicaid/etc.