The premise of your reply is that the choice is between systemd, SysV-init or Upstart. That premise is false.

> * systemd has overall good built-in security!

I vividly remember how Pottering closed a root exploit issue as "not a bug", so no.

> You claim systemd is a "badly written multifunction blob" but that's mostly not true,

> look at `/usr/lib/systemd/systemd-` and `/usr/bin/systemd-`. Systemd is split out into

> multiple purpose-specific executables in almost every place where it makes sense to do

> it.

None of those executables can be used without installing the whole systemd, so that argument is flawed.