No platform package is built for x86_64, so an x86 machine has nothing to guard. The check that 00-omarchy-hooks.conf has its detector copy follows it: without the copy, x86_64 keeps the busybox line it would have anyway, and leaving the check unscoped would fail every x86_64 build from a source that asks omarchy-hw-platform. Taken from #691, which keeps the -dev recipe.