Capitalism gets away with another crime. Pretty funny that importing cheap rocks from China could/will cost us tens of billions of dollars, yet there is still n

Capitalism gets away with another crime. Pretty funny that importing cheap rocks from China could/will cost us tens of billions of dollars, yet there is still no questioning of whether we should continue to import cheap rocks from China. Can't live without those Chinese rocks! Seems pretty logical to me to put a negative externality tax on these types of imports to cover our losses, but the idea isn't even floated. What am I missing?