The key is to remove all applications he has touched (logind/systemd/NetworkManager/PulseAudio/Avahi), and you'll find yourself with a stable system.

Good distros, such as Calculate Linux or Gentoo, help a lot with this.

However, should you continue to use Red Hat-based distributions (of which Debian, Arch, and Ubuntu should be considered, post-systemd; package managers notwithstanding), you will constantly experience these pain points.