Yes, Matthew, but to what extent?
In my dealings with priests, I ask for lineage, confirm lineage, and evaluate. I dont ask them for docuмentation proving that the ceremonies of his bishop up through the pre-vat II bishop occurred.
Now, I would assume a priest/prior would check the lineage docuмentation of a boshop for his seminarians. Do the seminarians really have a choice of bishop? No. If fr. Chazal calls in Moran to ordain his seminarians, do the seminarians have a choice in the matter? I guess they could leave, but they are supposed to trust father prior's judgement.
It seems to me that fr. Mbadugha answered the question when IH said that he obeyed the priest he was working under. The lineage was provided. If you are so inclined, one could, himself, contact b. Adamson and ask for proof. But the rest of us should, as fr. M did, assume that fr. M's superior did his homework and verified the lineage via docuмentation.
Also, it was said that fr. M tried several times to leave OLMC. Why he wanted to leave and why he stayed you will have to ask him. Why he went to OLMC in the first place, you will have to ask him.
Perhaps rather than jumping to conclusions and causing detraction and/or scandal you should ask Fr. M your questions