And it is possible to 'snoop' (or wire-tap) dbus:
https://www.piware.de/2013/09/how-to...-method-calls/
On a K2, the config files can be found in: /etc/dbus-1
And guess what?
dbus-monitor is provided by Amazon/Lab126 - -
Sort of like both providing the rope and tying the knot for your own hanging.