As to: No such thing in contemporary aikido...
I wouldn't verbalize it so strongly.
Think of Bill Gleason, George Ledyard, Chris Li, Saotome, Ikeda, then Phi and then Ron Ragusa and Mary Eastland. To my mind it's also a question of to which degree. Even Chris Hein displays it a bit in his videos of aikido, although he himself, may be, would immediately and strongly deny this.
Most of those you mentioned I wouldn't consider contemporary... ;0) Many of them from what I understand are studying/training in the whole IP/Aiki thing... :0)
Sorry to make it seem so bleak, but I feel its a sad state of affairs due to the way things seem to be unfolding... :0(