…
I also note the Canon says prior and perp impotence nullifies marriage but it doesnt actually state that it prohibits marriage. That in itself is an interesting ommission.
It’s quite clear. It makes the attempt at marriage impossible. There is no omission.
Edit: See canons 1073, 1084
It would seem there can exist acceptable putative marriages that may later be declared no longer marriages…
A marriage that is ratified (ceremony) but not consummated can be dissolved; precisely because it is not a sacrament unless consummated.
Edit: See canon 1061
Is the priest at fault for allowing such null marriages to proceed? He can never be sure they are perpetually sterile if he isnt too invasive with his questions I suppose (especially with elderly couples).
Yes. Despite your apparent hangup with this, and despite the notion you have that somehow you know more than the priests who actually do this sort of thing on a regular basis, it is the responsibility of a pastor to know that the marriage can be consummated before he proceeds with the ceremony.
So at fault if he does not? Most assuredly.
See Canons 1063 and 1066
Would it be reprehensible if he did not make a big issue of this and 100% establish if antecedent perpetual sterility was actually present?
YES. It would be reprehensible. It would be a dereliction of his duty as pastor if he were to fail to make a reasonable effort to know that the marriage can be consummated before the ceremony.
Edit: See Canon 1066
I’ve explained this to you numerous times now on several different threads.
You have a problem with this. It is obviously your problem.
The Catholic Church has no problem with the procedures in canon law.
Edit: See Canon 1075
This issue is handled in the pre-marriage investigation and it is done everywhere in the entire Catholic Church.
Whether you happen to like it or not makes no difference. Nor do I think the Church cares much if Canon Law happens to conflict with your personal ideas of what a priest should do.
Edit: See canon 135
But as suggested on the other thread what is the significant pastoral gain to be had by going down this very invasive and likely divisive avenue. What practical gain justifies this? Nobody has yet been able to identify anything other than allegedly honouring this changeable Canon Law and not “mocking the Sacrament” whatever that means.
As I have said REPEATEDLY now, the Church does not perform marriage ceremonies if no true marriage can exist. I do not stand up in front of a congregation and conduct “pretend marriages” no matter how much you might want me or any other priest to do so.
Edit: I stand by that last comment and will continue to stand by it. The Church only performs marriage ceremonies when the marriage itself can be validly contracted. No valid marriage means no ceremony.