This argument is deeply depressing to me.

Most days I hope that we (as a planet) get past all those obfuscated vendor lock-ins but over the last decade we’ve watched the, get worse and tighter as they get backed up by lobbied laws. And now I’m worried that you’re 100% right.

But we can still be saved by big ideas. We (modern humans) have done it before. I just hope the seeds of it are already planted.

It’s not as if the OP can’t install a different OS that does support x64 processors. The OP is describing a Hackintosh, so there is no vendor lock in. For that matter, installing alternatives on x64 based Macs is also reasonably trivial and as Apple silicon matures, so does the reverse-engineering knowledge (much like it did with the ‘commodity’ PC components used for Linux today), and the vendor lock in issue disappears.

The hardware just keeps on working (7 years and counting). If you don't abuse it PC hardware just keeps on going.

But just to be sure, I've stocked up on compatible motherboards and processors.

I'll be here till the bitter end. I'll probably be buried with my Hackintosh.

Such a weird thing to personally identify with so strongly.

Where do you think that comes from?

I’m in a similar position and I’m learning the KVM/QEMU way. So I hope I’ll manage to stay on Linux and add virtualised macOS and Windows apps to my stack. If it would work as I expect, then there’s no real need to even update those virtual systems. Since I need them only for some apps that aren’t on Linux (yet?). In my case those are Adobe After Effects on macOS or Windows and Pixelmator Pro on macOS. Other apps has decent counterparts on Linux for me.