MLK was not an insider. Rosa Parks was not an insider not even by your own definition: civil disobedience is literally the refusal to follow a given law. The civil rights movement (kind of) worked because 1) there was an implicit threat of violence (the Soviet Union fomenting unrest, riots, etc) and 2) there was a sizeable share of first-class citizens sympathetic to the movement, or that at least wouldn't approve of the necessary measures to effectively suppress it (again, violence).
Would you say that freedom riders operated within the system of laws or public behavioral mores? If I am not mistaken, breaking the segregation laws was their whole point. And the reaction they received from the white mobs doesn't suggest they operated within social norms either. Or do we have different definition of "working within the system"?
Because you asked for my opinion, yes, I do consider their actions as working with the system of laws (obviously) and public mores.
I believe they had federal law on their side and were seeking to make the changes in real life that the law demanded. In that regard, they were working even more within the system than Rosa Parks.
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I can see how that could very easily be read as "peaceful civil rights leaders of today", so the error is on me as the author, but that was not my intended usage.
If instead of gathering people and motivating them with eloquent and carefully constructed arguments, Martin Luther King had led violent protests, he’d have likely changed nothing. He (and others) worked within the system of laws and public behavioral mores so as to not forfeit the right to be heard.
Rosa Parks sitting in the front of bus was exactly the type of action that was needed, not burning the bus. I see that as 80+% working within the system.
The civil rights leaders earned a seat at the table. They got publicity during the Apollo moon launches. They had meetings with important leaders who held the original seats at the table. They did it by being peaceful, strategic, unrelenting, and incredibly savvy.
I can’t imagine how frustrating it must have been to live as a disfavored racial minority prior to the civil rights era. To have leaders exercise the strategy and patience they did is almost unthinkably impressive to me.