It's not just crazy Jesuits who are at work undermining the Church's teachings, but Opus Dei members do advocate the use of condoms to avoid AIDS when the couples are married as Bishop Kung of St. Polten does, as well as Father Rhonmeir who is a leading figure in the philosophy department of the Opus Dei School in Rome, also see recent article in America.
They haven't exactly been hiding their views, but they haven't been getting any attention, but it's about high time they received some.