What Is China Up to in the Taiwan Strait?

Other observers are far more uneasy, however.  They contend that a prolonged U.S. war in Iran could make it extremely tempting for Beijing to take action against the rebellious island.  If the Iran war turns into an Iraq-style or Afghanistan-style quagmire for the United States, that thesis will be even more credible.

Related:

2026 Annual Threat Assessment of the U.S. Intelligence Community