It's one of those American policies that has a triple motivation: it provides an opportunity for the GOP to look "tough" on foreigners, it provides the opportun

It's one of those American policies that has a triple motivation: it provides an opportunity for the GOP to look "tough" on foreigners, it provides the opportunity to protect the US tech sector's market position by outlawing a potential competitor, and it satisfies nationalist ("national security") factions in Washington that want to roll-back Chinese economic development. Foreign policy initiatives that satisfy the needs of three or more power blocs in Washington DC tend to have extremely bad outcomes; the last major policy that had a triple motivation was the 2003 invasion of Iraq. (final paragraph edited for clarity)