Do a bit more research; you’ll find that it is very much possible to build a hardened sysvinit-based custom distribution with ALSA as the default. That said -

Do a bit more research; you’ll find that it is very much possible to build a hardened sysvinit-based custom distribution with ALSA as the default. That said - the unchecked fear of systemd, combined with some folks’ refusal to RTFM (to disable unused components) reflects a lack of rigor on their part, and not systemd itself. If you’re not building your own, reproducible embedded system images, you’ve already lost.