I reported them for harassment with the following statement:
The purpose of this group is to review bomb any game that has gay representation. Their discussion threads talk about using other platforms to discriminate against LGBTQ+ communities and individuals to circumvent Steam’s TOS policies. This type of behavior promotes discrimination, review brigading, and toxicity. It is surprising Steam is tolerating such open homophobia on this platform.
Established culture, critical mass, and platform ownership.
Steam is an online platform owned by Valve. They have ToS and a Code of Conduct. Those are published, announced baselines you can compare and report against.
Churches are not all the same, and are generally not on a platform with authority you report them to.
You’re asking for public shaming. Which can and does [sometimes] happen as bad press, protests, and prosecutions. But generally, it’s more difficult and higher risk in the real-life public, and less likely to succeed given their established nature.