Well, it wasn't just St. Athanasius.  I started a thread with plenty of evidence that the Church Fathers unanimously believed that explicit faith in the Holy Trinity and Incarnation at least are necessary for salvation.

In fact, the first known proponents of "Rewarder God" theory, i.e. where believe in a God that rewards the good and punishes the wicked would suffice, didn't propose their innovation until the late 1400s.

If there's anything that was ever a dogma by the Ordinary Universal Magisterium, this was it, and if this isn't, then there's no such thing as anything taught infallibly by the OUM.

It's intersesting that it was OK for a random Franciscan and a couple of Jesuits to come along and reject nearly 1500 years of prior unanimous consensus, from the Fathers to every signle theologian before their time ... but if Father Feeney comes along and rejects the prior 350-400 years of majoriyt theological opinion, he's a heretic.  Contradiction is so absurd that it's proof of intellectual dishonesty.