I'm not accusing you of rejecting V1, and I'm sorry if you took it that way. My point was, men - fallible sinners and imperfect men - will take a truth and extend or pervert it to extremes. The extremities to which these fallible men stretch a truth does not render the truth itself (on its terms, properly understood) false.
Not per se, but very often when a concept like BoD ends up derailing, it's OFTEN (although not certainly) an indicator that there was some subtle flaw in it in the first place. To extend the detailing metaphor, that train in East Palestine OH derailed, but hotspot indicators saw that one of the wheels was shooting out flames many miles before the actual derailment. It COULD have been that the derailment happened just right there on the spot, or it could be that something led up to it.
BoD has been extended and perverted to completely gut EENS dogma. Is it just because it was misunderstood and misapplied or because there was some ticking timebomb, a theological flaw, in the first place? There's also the notion of its fruits. When a theological position has such incredibly bad fruits, as BoD has had, it's generally a good sign or indicator that it was flawed out of the gate.
Where was the line crossed? For St. Robert, it was just for catechumens. For other, it was for catechumen-like individuals (even if they hadn't formally "signed up" as catechumens), for others it could be implicit, and then even more implicit, and even so implicit that any "nice guy trying to do good" could implicitly receive Baptism? Where is the line to be drawn? We don't know. And the fact that we don't know is even more
prima facie evidence that this notion has never been defined.
For those who claim BoD is
de fide, we do not give the assent of faith to a concept or a phrase, such as "BoD". We assent to propositions. WHAT are we to believe about BoD? Nobody knows, as there's a different opinion about for almost everyone who believes in BoD, including applying BoD to baptized heretics. Really, the greatest common factor of all BoD theory is that the Sacrament of Baptism is not necessary for salvation ... which is heretical.