If true, then he chose to save his own skin rather than tell the truth and let the chips fall.
Benedict would have resigned for only one reason: the good of the Church. I have no idea what the threat was (it may have been related to Vatican finances rather than gays, although some of the players are the same). He is essentially living as a prisoner in the Vatican gardens.
In another context, this might be termed "strategery."
The upcoming synod may be the shadow church's high water mark. I don't know. We need to pray.