"[...] by sending electronic files – all over the world and so avoid hefty import tariffs, [...]
Tariffs are usually imposed to protect local industries and skills. If the files were considered a threat to those then they would be banned or a high tax imposed on unit production.
What it could do is undercut offshore production if their low labour costs and lack of environmental controls were no longer major factors - thus reducing imports.
Biting the hand that feeds IT
