The article at the end mentions they suggest dd as alternative for MacOS (due to Unix user space). It seems the balena -> rufus decision is about the easiest-onramp Mac+Win-portable option, for those uncomfortable dropping to low-level device-writing CLI tools in their current system.
Side-note: Last time I was on a friend’s Windows I installed dd simply enough both as mingw-w64 (native compiled) and under Cygwin. So for Windows users who are comfortable using dd it only requires a minor step. When I once used WSL devices were accessible too, but that was WSL1 (containerized), whereas WSL2 (virtualized) probably makes device-mapping complex(?) enough to not be worth it there.
Thanks, that’s good to know, but for raw-writing a bootable image to a device do you (or anyone reading) know if there are also straightforward powershell commands for mapping devices at the block level? (as opposed to mounting at filesystem level)