The only attacks I could think of that we receive from anti-Mormons on the material covered by chapter 15 have to do with the temple.
Important note: Members of FAIR take their temple covenants seriously. We consider the temple teachings to be sacred, and will not discuss their specifics in a public forum.
Here are the resources available from FAIR that I thought were most relevant:
Feel free to leave a comment about anything else that might come up that is related to this chapter.