One notable purported ex-member is the former mayor of Puebla, Luis Paredes Moctezuma, who has led demonstrations against the organization, demanding the expulsion of all heads of PAN who are also affiliated to El Yunque.

[3] He says it attracted religious students who sought to counter the leftist influence reflected in the Cuban revolution, communist China and the Soviet Union.

[6] Named members in the 2000s included: state governor Juan Manuel Oliva; Gerardo Mosqueda, his chief of staff; and local politician Alberto Diosdado.

[3] Members of PAN have condemned Delgado's claims as "pure fiction", comparing it to the mythical monster, the chupacabra, and saying that El Yunque has nothing to do with the party.

The first was by Profesionales por la Ética against digital newspaper Forum Libertas and its editor Josep Miró i Ardèvol, which was dismissed later that year.

In May 2014, a Madrilenian judge declared there was possibly evidence to show a relationship between members of the association HazteOir (HO) and El Yunque.

"[20] Meanwhile, Joaquín María López de Andújar y Cánovas del Castillo, the bishop of Getafe, in March 2015 said, after learning of the connection, that he would not support members, and implored them not to attend his diocese.

[23] At the end of 2016, an investigation unveiled the society's influence there, singling out José Antonio Rosas, the leader of the Academia de Líderes Católicos, as one of its figureheads.