Or Banker was adequate to good when he was hired, but then he didn't adjust his philosophy as offenses innovated, and he became a mediocre DC. Oregon State fans wanted him gone for years. Hell, they came over to this board told us he wasn't going to be good enough.
Or he was seen as good enough for a lower-tier team in the defense-optional Pac-10 and Riley wanted to be loyal to a long-time friend but was exposed when the situation changed.
Riley had him on his staff at San Diego, keep believing your fantasies.
Which was a lot of years ago, which goes to saunders' point.
And for a lot of years after that, Banker was kept on Riley's staff. Obviously, Riley didn't view Banker as a bad coach for all those years or he wouldn't have kept him.
And we know for a fact that Riley is capable of firing his friends if they aren't performing up to expectations.
I get what you are saying but at Oregon State he COULD keep those guys on staff because lets face it, there was really not the pressure from fans/press. It is kind of like Northwestern...the Chicago press is not spending a lot of time and resources on NW coverage and even though I have never checked I am guessing that the NW message boards are pretty dead.
At Oregon State...an upset of Oregon, USC, UCLA or Washington ALMOST buys you a free pass for the season.
Riley, not until his last season at OSU, didn't really have a ton of pressure to change assistants. Basically if he made a bowl game every other year he was pretty much fine.
I get what you're saying here and I believe Riley himself has spoke about the difference in expectations here at NU. And in fact, I believe he told all of his assistants when they got here that things had to be done differently because the expectations were so much higher. (Paraphrasing that last sentence.) At least two of those assistants imo, Reed and Banker, did not live up to their increased expectations.
I would imagine he told them that too. I am 100% positive he did not want to can two long time friends, clearly he did what he thought would be best. It had to be hard to be (probably) close to retirement and fire your "best" friends...I mean...who knows if they will ever be buds again.