> localizing the manufacturing isn't a pancaea by any means as they also shut down during pandemics But you eliminate other failure modes related to the pandem

> localizing the manufacturing isn't a pancaea by any means as they also shut down during pandemics But you eliminate other failure modes related to the pandemic that don't involve the plant physically not operating due to worker sickness or curve-flattening measures. If Canada produces their own masks then the US can't take them.