According to FAQ, religion questions are off topic, see: Are religious questions on-topic So why aren't all the questions about Catholic Church being closed? Why is there even a tag catholic-church? I though this was supposed to be site about scientific skepticism.

We get some answers that are of very low quality, that are making significant claims without bothering to reference them. Those answers just assert some claim without backing it up it any way, which is not how it should work on this site. Those answers are often flagged as "very low quality" or ...