USA was able to gradually turn from some positions to different others. For Russia it seems the current situation is still the fall to the deeper chasms of self-destruction.
If you are comparing him to MLK, you've not seen Navalny's videos on Central Asians I guess (in case you need a summary: compares them to insects that need to be exterminated then kills one with a handgun).
Actually very carefully designed, he never calls anyone inferior or talks about extermination.
To me, even if he was proudly racist (which I'm not sure he was) he still is a hero. Anyone tortured and murdered by Putin is a hero