This one was dumbed down with cliche and made pedestrian in Slouching Toward Nirvana. I'm using comic sans for Martin's version to give it the respect it deserves.
https://soundcloud.com/https%3A%2F%2Fsoundcloud.com%2Fuser-967597753%2Fi-didnt-do-it-but-if-i-didat around 4:09 he responds to the question of whether he ever changed Bukowski's writing...
If that is true, it might explain why he made changes with increasing frequency: In trying to improve Bukowski's poetry he realized that he would never make it, but because he refused to believe it with every new posthumous collection he tried even harder.".....a few times I would step in like that and make a change and every time later I saw what I had done was not as good as what I changed---every time."