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/
And you would introduce those tariffs gradually. Just start with 0.1% and increase at a regular interval over several years so everybody has time to adjust and build out local production financed by investors that know exactly what's coming down the pipeline. No, instead you get wild swings, on and off again and a complete chaos where building and investing becomes a huge risk.