M1 generation was so good that it prompted way more users to jump to it; that demand would spread over multiple generations if it was not so good.
On the other hand purposefully gimping M1 would gimp ARM adoption. By delivering great performance, they've build up a lot of goodwill - people willingly port their stuff to macs.
On the other hand purposefully gimping M1 would gimp ARM adoption. By delivering great performance, they've build up a lot of goodwill - people willingly port their stuff to macs.