Being a non-american, I never really liked the term "rice" because it's not an intuitive term to convey modifying or customizing a system. But I have used it because that's what the subreddit used to call it. I never thought it might be racist as I never saw anyone use the term in a racist manner - I can't even understand how it could be racist - outside of this community, rice is just a word for something I eat for most of my meals. But again, I'm not american, so I might be lacking some cultural context - the whole culture war thing kind of escapes me and I'm not up to date on the list of forbidden words.