"...it is not difficult to create a bootable external drive for M1 macs given the right combination of connecting media, drive media, and installer"
If I may slightly digress in view of your conclusion to share a favorite among math professors: so the professor had been lecturing non-stop for half an hour and the blackboard is completely covered with equations, symbols and notation. "And it is obviousβ¦" the professor says while turning to look at the board. The professor stares at the board for a minute, two minutes, four minutes. "Yes, it's obvious."
[if it requires explanation, then just keep moving along
]