I mean, it was a humiliating week for Rhule and Nebraska. You had the PSU flirtation. Then you had a nationally televised game on FRI and you coach your worst game in your entire NU tenure. Rhule pretty had to come out spitting nails or I'd wonder WTH was wrong with him.
Rhule is a pretty aware guy. And he knows that the entire nation just saw a lesser team de-pants us and steal our lunch money. Our last FRI night game on FOX got over 4.2m viewers IIRC (vs Illini last yr).
If Rhule wanted to humiliate himself after the week he had (where everyone was talking about him positively) then he couldn't have picked a better script for it than that.