There are a lot of ways to mention that racial profiling is belittling and offensive without using the r-word; for example, you could say "Racial profiling is belittling and offensive."

This is the best line in there.

This edit is much, much better than the original. And the original was very good.

Edit: You might want to link to the post on rationalist taboo when you mention it. I would anticipate a number of people outside LW will see this post at some point.