> The sentiment 'religion is bad' is neither civil [...]

That depends on entirely on where you live/your culture. What staticelf said isn't offensive and he shouldn't be made to feel like he cannot express his opinion. Perhaps he addressed it in a blunt way, but there is a genuine concern about how such software will be used to 'monitor' or 'peer pressure' church goers, particularly children, who are ushered into religion. Having a 'social network' so that religion permeates even further into people's lives should be a concern for everybody, religious or otherwise.