Possible Impetus for Space Mining, and/or R&D of Alternate Materials
See title.
Also, dual-use creates possibilities of witch-hunts. Scenario: Agent from one of the multiple, overlapping-bailiwick, US Federal agencies shows up at the loading dock of OfficeMax. "Do you have an export license for those [looks at bill of lading] ... paper clips, boxes of photocopy paper, and ink markers? No? Well that stuff all is 'any technology that is used in the design or manufacture of advanced semiconductors.' No export license for it means you're going to jail!"
Anyone pooh-poohing such a scenario should consider the case of the three Mexican nationals who were stopped at the US/Mexican border, had their vehicle searched, were arrested for US ITAR violations, convicted, and put in a US Federal prison. They had been moving from the US back to Mexico, and when they boxed up their things, they'd included the TV-top cable decoder box, which included decryption circuitry.