Well, I don’t know why Uniwiki states that but you’ll definitely make a lot more standing than that.
I suggest you first check out ‘The Plan’. Over the years it has helped lot’s of Capsuleers repair negative standings as well as boost positive standings.
That first thread you linked, !0 Standing, was just some basic info. A little later more info was posted in this thread, Cosmos Mission Diminishing Returns.
Those 3 threads should answer most of your questions. They’ll definitely give you plenty of info for gaining High Faction standings.