A former national security advisor said the US would destroy Taiwan's semiconductor factories if China seemed on the verge of controlling them after an invasion. "To start, the United States and Taiwan should lay plans for a targeted scorched-earth strategy that would render Taiwan not just unattractive if ever seized by force, but positively costly to maintain," the paper said. "Even if China got a hold of the golden hen, it won't be able to lay golden eggs," Chen said