Expected behaviour of ./wsprdaemon.sh -z and -Z (and a typo)

[waterwin]

Why is -z restarting services, that is contrary to the expectation of stopping all tasks, processes and services

wsprdaemon@fobos-wd:~$ cd wsprdaemon
wsprdaemon@fobos-wd:~/wsprdaemon$ ./wsprdaemon.sh -z
[sudo] password for wsprdaemon: 
Thu 27 Feb 2025 11:31:15 UTC: build_ka9q_radio() KA9Q-radio software is installed and configured, but can't find a RX888 MkII attached to a USB port
Thu 27 Feb 2025 11:31:15 UTC: build_ka9q_radio() The installiation and configuration checks found no changes were needed but radiod is not running, so we need to start it
Thu 27 Feb 2025 11:31:16 UTC: ka9q-ft-setup() ft8-decoded.service is not running, so it needs to be started
Thu 27 Feb 2025 11:31:16 UTC: ka9q-ft-setup() Restarted service  ft8-decoded.service
Thu 27 Feb 2025 11:31:16 UTC: ka9q-ft-setup() ft4-decoded.service is not running, so it needs to be started
Thu 27 Feb 2025 11:31:16 UTC: ka9q-ft-setup() Restarted service  ft4-decoded.service
Thu 27 Feb 2025 11:31:17 UTC: stop_systemctl_daemon() stop wsprdaemon.service => 5
wsprdaemon@fobos-wd:~/wsprdaemon$ ./wsprdaemon.sh -Z
Thu 27 Feb 2025 11:32:37 UTC: build_ka9q_radio() KA9Q-radio software is installed and configured, but can't find a RX888 MkII attached to a USB port
wsprdaemon@fobos-wd:~/wsprdaemon$ ./wsprdaemon.sh -z
Thu 27 Feb 2025 11:32:47 UTC: build_ka9q_radio() KA9Q-radio software is installed and configured, but can't find a RX888 MkII attached to a USB port
Thu 27 Feb 2025 11:32:48 UTC: stop_systemctl_daemon() stop wsprdaemon.service => 5
wsprdaemon@fobos-wd:~/wsprdaemon$ 

Typo : build_ka9q_radio() The installiation and