There can be no fair discussion of the question of usefulness, when an argument so vital may be employed on one side, but not on the other. (climate-resistance.org)
A little searching by me has turned up no records of discussion of the question with anyone else. (religion-online.org)
The stimulus activities are designed to last 20 - 30 minutes, followed by discussion of the questions posed at the end of each activity. (kidsmatter.edu.au)