Earlier quoted context omitted.
I think people overrate TSMC are the primary motivator for the PRC, who have basically maintained the same posture toward the 'renegade province' since 1949. This is unfinished business from a civil war which never officially ended.
I agree, but I think TSMC has also assumed a geopolitical importance it didn't have previously.
look at the top voted comment in this thread - the narrative is some sort of escalation from Xi Jinping when unification with Taiwan is boilerplate rhetoric which every leader since Deng says at Party Congress.
PRC position has not changed - commitment to unification by peaceful means, but war never off the table.