You're right - charges of racism/misogyny etc. have been weaponized for the purpose of avoiding rational discussion and logical conclusion. As a 60's child, I believe the 'equal rights' movements succeeded far sooner than the social warriors were ready to lay down their weapons and enjoy victory.
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It's almost paradoxical, but the only way to combat the erosion of the gains made the civil rights movement is to conserve them. That is what separates this new illiberal left from the liberal left of our youth is that the SJW's will throw in their lot with all sorts of profoundly backwards people as long as they identify them as members of a protected group. I don't know about you, but I remember the sixties as a time when people wanted to understand what liberal ideology actually entailed and when people followed liberal principles instead of just adding their voice to a chorus.
The lines have become blurred in the definitions, for sure.
I was never part of the 60's anti-establishment movement, was too busy working and trying to pay for an education - and find it ironic that the loudest voices at the time have become silent as they in turn became the establishment. Like any movement, I believe it started out with a few passionate individuals but gradually morphed into a group think cult.
The civil rights movement led by King differed in my view from the anti-war, anti-establishment crowd. Though the Left tries to claim it now - they by no means 'owned' it then. The far left of that movement scorned Kings passive resistance, and his calls for recognizing the value of character over the color of skin. Without imaginary demons to fight, todays Leftist movement would not exist.
Below is a link to a very interesting interview with Eldridge Cleaver done by Reason magazine. It's pretty long and was once entitled 'Listen to the Panther'.
REASON Interview: Eldridge Cleaver