Disabling media router from source is apparently more involved than I thought it would be. Could have changed the default setting in a new user profile, but di

Disabling media router from source is apparently more involved than I thought it would be. Could have changed the default setting in a new user profile, but disabling it with a command-line argument is probably more like what I'm looking for here. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=833477#44 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=833477#44