<p>➀ Current Western export controls have slowed China's progress in advanced logic, but are not perfect or infallible.</p><p>➁ Loopholes in restrictions include offshore manufacturing, end-use workarounds, and renaming/reclassifying technologies.</p><p>➂ Huawei's fab network poses a national security concern, exploiting sanctions and advancing domestic semiconductor supply chains.</p><p>➃ WFE suppliers' lobbying for relaxed controls is refuted by strong business performance and long-term market share impacts from domestic Chinese firms.</p><p>➄ Suggestions for improving export controls include expanding the entity list, aligning ally restrictions, tightening supply chain restrictions, and improving enforcement.</p>