He's not being the most politically-phrased in his responses, but he's right. If someone puts you in charge of a book's story, you should be able to have a pretty strong say in how it's packaged.
I have to be honest, I find the grinding of teeth from people furious that they've been denied a Dark And Gritty Cover With A Murderer Terrorising The Female Lead As He Points A Gun Between Her Legs more galling than many of the objections to it.
"Je Suis Charlie"? Vous ne comprenez pas.