I think their unbeaten run is a bit of a non-event really, as you'd expect to actually achieve something if you go that long unbeaten.
In the end they just drew too many games and achieved zilch.
I still think it's a little questionable why he went because I don't think he did a bad job, I guess their chairman looked at Charlton and wondered why they're running away with it and Hudders are looking like a playoff team again.
Grayson is a good appointment though. They should be chuffed with that.