I depend on this machine to pay my rent, keep the lights on, keep insulin in my kid, keep us all fed.

If this machine bites the dust, I swap out the part or I restore from Time Machine. At least with this machine, I have the option of swapping out the part.

It's not some mystical black box. These are standard PC parts that are supported by macOS. I think I only use two kexts that aren't shipped with macOS to get to 100%.