I originally left a comment on this question, but upon reflection I realize that my thoughts about this are too complicated to sum up in a comment. I deleted my comment; there was no foul play. (Nor was there reason to suspect foul play in my mind, but that is a point for another day).
There are a lot of authors who are racist, or sexist, or bigoted, or prejudiced, or anti-Semitic. In this respect, authors aren't that different from normal people; the difference is that authors write their thoughts down and publish them, where they are discussed in places like this website.
For example, JKR is probably the last author people would accuse of racism, but "Cho Chang" is literally a made up name. Pretty much the only thing Isaac Asimov did at science fiction conventions was harass woman, but for some reason he has a reputation for being "progressive" or "feminist". (This shows in Asimov's writing: his female characters are either nonexistent or stereotypes). Tolkien's The Lord of the Rings is racist as well, to the point where he's using the exact same language used to justify slavery and genocide. I bring up these particular authors because they are popular and because their prejudices are often justified or swept under the rug.
In a site about Literature, it's important to understand the difference between the following two things:
- Reading and studying an author's words.
- Endorsing an author's words.
It's also important to assume good faith. This is the internet, the people who participate on this site come from a wide range of backgrounds and have a wide range of experiences.
Finally, it's important to understand that there is no tension between enjoying an author's work while criticizing aspects of said author's work or personal beliefs. I personally do not agree Ezra Pound's anti-Semitism, but that does not contradict the fact that Ezra Pound has written some beautiful works of literature (here's a sample: "The apparition of these faces in the crowd; / Petals on a wet, black bough."). It's possible for people to enjoy reading Pound while also acknowledging and disagreeing with his political views. It's also possible, and in fact desirable, to read Pound with the understanding that Pound's anti-Semitism is not isolated to his private life, but influences his writings as well.
My perspective on the advertisement is that a quote from an author other than Ezra Pound should have been used. My reasoning for this is twofold. First of all, the advertisement consists of a quote, not a discussion of a quote, which could be seen as endorsement. Second, since this is a community promotion advertisement, authors should be chosen that represent the entire community. And I think this question perhaps makes clear that this particular advertisement might not represent the community. (Also, there are probably more insightful and interesting quotes we could have used!)
I think my perspective on this would be much different if this had been, for example, a member of this community expressing admiration of Pound's poem "In a Station of the Metro". But given the specifics of this situation, I agree, this wasn't a good choice for a community promotion advertisement. There should be more thought about the message our promotional materials sends. I think this is a good learning opportunity for our community. So I'm glad this discussion was started on meta. And I think deleting this discussion would deprive this community of a valuable learning opportunity.