The towers are intended to provide access to Richmond's East Asian community for a radio station in
Point Roberts residents often speak in favor of Point Roberts being different in some way or another (usually this is in regard to more economic development, more entertainment, or more pizza delivery, e.g.), but they are somewhat less frequently in favor of things that are on offer, and especially radio towers, it would appear. There is a deadline for public response (August 16); details for how to make such a response in the APB article linked above.
Update, 8/11: Someone has started a blog on this topic, and I cannot speak to its accuracy, one way or the other, but you can read it here: http://prtowers.blogspot.com/