That addition makes makes the false version appear to be primarily about personal responsibility. The real quote was about the danger of over-reaching.
Which I've been thinking about lately. Someone quoted the line about Switzerland recently: "Five hundred years of peace and democracy and what have they produced? The cuckoo clock?" My first thought was, "Well, that and five hundred years of peace and democracy."
There's something to be said for an overdeveloped sense of "None of my business." Yes, the Nazis were evil, and keeping those deposits for all these decades seems wrong. But haven't (some) people been saying for a while now that you can't force people to embrace freedom/democracy/just-plain-goodness, they have to take it for themselves? Perhaps that's what Cicero was talking about, in not offering help to foreign hands.