Then use Linux. "General purpose computing" is a niche market. Most buyers would be more than content with a machine that lets them run the specific software t

Then use Linux. "General purpose computing" is a niche market. Most buyers would be more than content with a machine that lets them run the specific software they need for their specific use cases, and otherwise protects them from executing malicious code. Joanna Rutkowska's "evil maid attack" is a real security threat; and one of the edges that Apple has in the marketplace is being one of the first vendors to design practical, evil-maid-resistant personal computers.