Why doesn't the M1 make sense in a variety of products? I don't follow the logic. It is a processor that can scale to meet the demands of mobile computers including laptops, tablets, and designer desktops (iMac). In each use case it fulfills the its computational role regardless of I/O or even operating system.

Based on your own description, you are self-selecting as an enthusiast that prefers gaming-like PCs. Isn't that exactly the sweet spot that Apple doesn't support?