For 6 years, Lions have taken for granted that Macbooks run the same software as PC's, merely by running a virtual machine. They can run the same development environment for any day job as a PC.
Easy to forget most of history wasn't like that. Macs weren't based on Intel CPU's but the PowerPC or even worse, the 68000. For 20 years, they existed in their own world, running completely scratch compiled software for big endian CPUs.
Every PC since 1986 has been manely compatible because they've all been based on the original 386, but Macs ditched 2 different instruction sets before finally switching to Intel.
Running Linux on a Mac was a herculean task, requiring a separate version compiled for the PowerPC. It was terribly unreliable.
The lion kingdom's mane concern is if it could happen again, with Macs once again switching to a different CPU than the rest of the world & all your development tools once again having to run on a PC while Macs go back to just a group of computer users rather than developers. ARM is already more popular than PowerPC & 68000 were. Apple bought an ARM licensee. ARM is pushing a lot more to replace Intel than it used to.
The only reason Apple dumped PowerPC was Intel leaping ahead of everyone else in 2005, breaking the 20 year trend of everyone having roughly the same performance. For the 1st time since then, another architecture is once again providing similar performance to Intel & the world is returning to how it was before 2005.


https://www.theinquirer.net/inquirer/news/3082867/apple-arm-macbook-2020-bloomberg?fbclid=IwAR1asr5kZxHEm17cqkeorfKVnW4_Z6oK9bnzWG5ja2AadIXtmWQGdLd0Upw

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