Title text:
“You legs may have a comparative advantage at running, but we arms have a competitive advantage at swinging hammers, so unless you accept that we’re the dominant limbs and stop hogging the oxygen, that running advantage won’t be around for long.”
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3290/


The only thing that would punish other countries there is that higher prices here means less people here buy it, which means less sold there.
But it also means less logistics workers and such as well. It’s just a bad deal all around.