Apple has ported its entire OS - not just parts - since the introduction of OS X to three different architectures. Should Apple still keep a PPC compatibility layer? If they had ported Carbon to 64 bit, would Adobe have ever moved over to modern MacOS frameworks?
Even further back, should Apple keep supporting OS 9? 68K processors?
How is the ARM transition for Windows working out no matter how hard Microsoft tries?
I mean, Windows on ARM (first 32bit and later 64) has been a thing for years now. I don't the issue is the architecture per se. What made the M1 Macbooks so good wasn't just because they were ARM based but specifically Apple's custom M1 chip.
Even further back, should Apple keep supporting OS 9? 68K processors?
How is the ARM transition for Windows working out no matter how hard Microsoft tries?