Perhaps that is the only reason this simple, trivial article exists.
besides, most probably would learn themselves the hard way when put in the same position the OP detailed
problems with Goo are widely known in circles of the Mac-communities ever since Goo-acc's first became avail in the beginning only by invitation, back then
also worth to look into the history of why, when and by whom LS aka LittleSnitch was developed in the first place -- tho this was more related to issues with that then must-go-to site 'versiontracker' [for all sorts of Mac shareware] and a vintaged firewall [3rd party] product widely used that time that didn't work as advertised
a Mac OS w/out LS these days ? back then very few only were concerned with 'calling-/phoning-home' issues on a scale nobody could imagine, least speak or post about in public, in those pre-iPhone ages