Comment by fidotron

An unappreciated aspect of Arm is they really were the Robin Saxby show. https://en.wikipedia.org/wiki/Robin_Saxby Whichever ISA had him selling it was going to win.

While AArch64 represents the technical revolution they needed their business compass has just gone ever since he stepped down. This grimy stuff, and as others noted competing with your own customers, were no goes in the earlier era.