 Allen wrote that, compared with other Catholic organizations, Opus Dei's stress on freedom and personal responsibility is extraordinarily strong.There are many Opus Dei members who are identified with left-wing politics, including Ruth Kelly, Jorge Rossi Chavarría, Mario Fernández Baeza, Antonio Fontán, Mario Maiolo, and Jesus Estanislao.While Opus Dei spokespersons have admitted mistakes in dealing with some members and do not, as a rule, contest their grievances, supporters have rejected generalizations merely based on negative experiences of some members.