Yes.
Did any of these nurses testify in any case?
Judges have great latitude in what they will hear.
Still, being ruled on poorly in a separate case, assuming this was heard, does not negate it being used in separate cases which may not be as porrly adjudicated.
The case was appealed all the way through the State and Federal courts. If no appellate court found cause for overturning Greer's decision, then there was no problem with the adjucation of the case. That's why appeals exist, to test the adjudication of cases. What you propose is to retry the case with new witnesses. That's another ballgame altogether, and was the premise behind the Federal lesiglation over the weekend. Courts are loath to get into this kind of stuff, because it basically creates an atmosphere of having trials until a desirable outcome is produced. I really can't blame the courts for feeling that way.