Apple Mac mini's base model is now completely out of stock in both online and physical stores, but why is it the case?

Earlier today, Filipe Esposito reported at Macworld that he’d uncovered code evidence of an M4 Ultra chip in a forthcoming Mac Pro model. Now, Esposito has a follow-up report on another Mac model: the ...

At the time of this writing, Apple's base model Mac mini is showing as “Currently Unavailable” from the Apple Online Store.