The M4 Mac mini has an overhauled design that adds more ports in a slimmed down package, and to make everything fit, Apple needed a new place for the...
It’s not, we solved this issue before the invention of the computer, just use a capacitive touch sensor, you can literally make any power button completely invisible, this is malicious design.
They did that on the old G4 cube, it illuminated when it was powered on to show where the capacitive power "button" was, but it was basically invisible when the device was powered off.
I've seen a decent number of people mention that current placement is too easy to accidentally hit while plugging something in. I've also experienced that.
However, if you think Apple is ever going to get over form over function, you're very mistaken. It's literally their entire identity.