Earlier quoted context omitted.
He's referring ... to his "art". Thats what the piece he linked to was a part of. Its not poisonous nor reductive to decide not to follow an "artist" because his "art" is repulsive.
"I will never read anything by [AUTHOR] because some things [AUTHOR] wrote are now in my no no list." Sorry, that just doesn't make sense to me.
I'm only on this earth for so many years, and the number of words I can shove in my eye holes is finite. Dan Simmons thought it was a good idea to write that, and publish it on his own blog. SF is the kind of genre where you run the risk of getting hit with a big bolus of the author's politics at any time, and why would I drink from a well somebody's already pooped in?