So far I listened to the first half of the video and watched much of it. As one who is unlearned, from listening to the way they spoke, it seemed like the ministers involved in the ceremony did not know enough Latin to really understand what they were saying.
I think I would agree with you.
Bottom line is, he tried to say the words he was supposed to. The fact that they came out wrong, I think, doesn't matter.
In all likelihood, as much as we may not like it, fr. Pfeiffer is probably now b. Pfeiffer.
Would I receive sacraments from him?
Not unless I was dying...