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Why has “May Crisis … tests?” been closed without participation of members of our community?

Since I observed that "May Crisis Pregnancy Centers provide false negative results of pregnancy tests?" has been closed by Shog9 without the participation of other members of this great community, I want to ask whether these unilateral actions done by these so-called supermods are ethically correct in general, and whether they are correct on this particular stack that has great moderators and great high-rep users who, if any, can do, as they do everyday, any activity to make this site the great and planetary site it is?