I also don't get the sense that they are kicking this all back to her to have a DQ hearing to get rid of AB and BR, either. Although, to be honest, I don't know enough about the law to know if I'm reading that right.
They say quite clearly at page 16 that adverse decisions and even hostile comment isn't enough. From reading the cases cited by Judge Gull's counsel, it seems usually some external factor is required to create a perception of bias - e.g. if the Judge used to work at counsels law firm or something that might give rise to a perception of favouritism. e.g maybe years ago the Judge made strong comments about something to do with the case. I guess this is why the lately threw in the sport tourney thing