Do you understand what is involved with the manufacture of a modern integrated circuit? You are talking about one of the most complex manufacturing processes on earth. Yifu is clearly at fault for missing the deadlines he promised - but that does not change the fact that getting these chips manufactured is far more complex than sending TSMC a request for some more chips.
Why in the heck would it be MORE difficult than sending in another order? That makes no sense whatsoever. It's extremely complicated to design and manufacture a car. Yet if my local Toyota dealer needs more cars, they have only to order more. Yes, they DO need to consider lead time, but that's pretty much the extent of the "complexity".
Given that the manufacturing facility has obviously been set up already, what specifically is so complicated about placing additional orders for more of the same product?
We have a saying in America: "It's so easy a child could do it."