Amir Krause wrote:
* Bad Uke - knowing the technique in advance and nullifying it in a non realistic manner, and/or during a specific type of training that should be more cooperative.
Such concept as 'bad uke' simply doesn't exist. It is only cheap excuse to bad technique. And to preserve the illusions about own 'perfect' aikido. So ego can grow quietly.
I can understand when uke helps (in very limited way) to other beginner. But it is certainly not a case when nage is black belt.