Yep outside of a few industries that have specific supply constraints (like semiconductors) the broad shortages are mostly due to the ports. They have zero room

Yep outside of a few industries that have specific supply constraints (like semiconductors) the broad shortages are mostly due to the ports. They have zero room to absorb the additional demand thanks to the longshoreman unions having blocked all opportunities for automation and efficiency improvements over the past couple decades, so a record number of ships are waiting at anchor for many days if not weeks outside of major US ports.