[itchynosedev]

It says it right there in the article.

> Apple’s chip-development group, led by Johny Srouji, decided to make the switch after Intel’s annual chip performance gains slowed. Apple engineers worried that sticking to Intel’s road map would delay or derail some future Macs, according to people familiar with the effort.

[NoPicklez]

Interesting, funny that Apple's own design constraints have in the past not been able to fully get the most out of Intel chips anyway.

Take the cooling/throttling problems as an example.

Goodluck to them on building a better chip.