Do you really think that those numerous reports don't have a vested interest in the situation. They are not the worldwide leader in sports "NEWS/TRUTH". Everyone has an angle. ESPiN is looking out for itself. Reporters/bloggers are not as altruistic as you would think.
To me what PBC says is believable because it makes sense. Of course the B1G is going after the 2 biggest fish in the pond, duh. Anyone who says they are not is an idiot, has ulterior motives or both (ESPiN).
Delany even said they want 10s not 6's and 7's ('cuse, rutgers, mizzu, etc). Delany also said the B1G was looking at the new demographics. That is not UNL, sorry to our new friends in Nebraska. It means South.
ND has been approached many times by B1G and to think there isn't an almost continuous conversation there is just plan stupid.
What PBC has laid out over the last 2 years is the "Delany" plan. Destruction of the BIGXII and forcing a seismic shift in the NCAAF. Which in turn frees UT to join B1G and forces ND into a conference specifically the B1G.
Lastly as stated by Delany and PBC this is not a quick process. It will take years. Specifically, when TV contracts are up, football scheduling can be worked out and UT's ugly sisters can find a home.
I don't profess this to be gospel, but it makes a lot of sense to me.