Lots of folks use Mac arm laptops these days with native arm linux running in a vm (say, the one that comes with docker).
Currently running the linux install script in an aarch64 vm fails with a cryptic error about crystal1.15 not being installable, as described in [Help][Docker] Installing Crystal inside a docker container on mac m1 pro chip
It might save users some time if the install script detected an unsupported architecture and aborted with a hint how to get past the problem (either via emulation or by pointing to an alternate repo).