It reminds him of the classroom and the industrial age educational system where the one and only right answer comes from the lectern which I would like to see burnt!
Read the comments on his post, most people agree (but not all) and despair of the educational system!
There are many ways of breaking the "chalk-and-talk", "sit-and-git", "death-by-power-point", "preach from the lectern" paradigm of the "industrial age classroom". But a simple "no-brain" start is to turn them into a Knowledge Cafe format. Cut the speakers speaking time and then follow with a period of conversation around the speakers theme and finally Q&A. This is easy to do in most contexts and if you are the speaker you need no permission to do it.
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