47 points
Because the U.S. government gave them $6.6 billion to do it under the CHIPS Act: https://www.reuters.com/technology/tsmc-wins-66-bln-us-subsidy-arizona-chip-production-2024-04-08/
With TSMC, it’s insurance against China invading Taiwan but Intel (and probably everyone else) got a load of subsidies too. After the chip shortage during the pandemic and Russia invading Ukraine, chip production became a national security issue.
4 points
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