https://reduxx.info/change-org-deletes-12-year-old-girls-petition-calling-for-single-sex-school-bathrooms/
Pretty much as the title says. Change.org gave the reason that it is because the petitioner is under 13 years old. However, the girl's mother says that she managed the account on behalf of the girl. Also, Change.org not only have allowed such petitions before but have actively celebrated them (see image).https://www.change.org/p/joseph-r-biden-stop-putin-by-sending-heat-pumps-to-europe