How can “genocide” apply to a voluntary religious group? And even if it could, the linked wikipedia article doesn’t seem to support your claim, either. Do you have anything else we could review?
Genocide, as defined by the UN, includes religious groups.
https://www.un.org/en/genocide-prevention/definition
Genocide, as defined by the UN, includes religious groups.
https://www.un.org/en/genocide-prevention/definition