The media doesn't ask hard questions because it's afraid of retribution is just a tired, tired take. And you're going WAY overboard comparing the hiring of an offensive coordinator to what happened at Penn State. Way overboard.
They're not just going to hand the job to Brian. They'll open up the job, receive applications and go through the process. If the guy who runs the program, who is here for the foreseeable future whether you like it or not, thinks the best man is his son, he will hire him. If not, he'll hire someone else.
I'll Google the Rhabdo case and see how many cases I come up with. You Google academic fraud and other NCAA violations and see if Iowa pops up.