A fully fit Robbie Brady, yes - totally agree. But a half fit Robbie Brady is a liability and should not get into the team ahead of other players that are match fit and aren't going to need substituting after an ineffective 25 minutes.
How do we know what his reaction to gametime will be though? Some of Cameron Stewarts best games for us were when he had just come back from injury, sometimes players have great first games back with the adrenilin but then start to fade after a few, luckily we only need him for one game and then he'll have te holidays and pre season to recover. Obviously we shouldn't put him at unneccessary risk, but it's the physio's job to assess that