I don't think he's been scapegoated at all. Also, wrt. McGinty at the start of last season he was literally costing us a goal a game (sometimes two!). There were very few voices on the terraces defending him as it was impossible to do so.
For my part, I am comparing Reading with what preceded him - Daniel Harvie. Initially, I thought Reading had the potential to have a similar trajectory to Harvie, but even at his best he has been dreadfully inconsistent. I was more prepared to put up with his inability to block a cross when he was bombing forward and putting crosses in. He's basically done none of that this season and he still cannot block a cross.
He is consistently under the ball for headers, he cannot cut out a cross, he gives away possession far too easily and his decision making under pressure is horrendous. Every other team in the league exploits the weakness, I have no idea how he has been an ever-present or what Ecrepont did to not even get a look in. It is Bullen's biggest blind spot imo. Both fullbacks need replaced.