1. It would be like the NRA building a community center with a rifle range, swimming pool and theater open to the whole community a few blocks from Columbine High School.
2. It would be like a survivalist group building a community center with a meeting hall, swimming pool and theater open to the whole community a few blocks from the site of the demolished Oklahoma City federal building.
It doesn't really matter that the group was already well represented in the neighborhood, or that the community is welcome to use the facility, or that they have a First Amendment right to build it. It's in bad taste, insensitive, and shows a lack of consideration for the community as a whole.