is constructive criticism. The smiley people are often the best at it.
I would have like to learn a bit more of how to do it in grad school. Nothing worse than the whiny critics. ‘I could have done that.’ or ‘That is not a big deal.’ or ‘Obvious result.’ Whiny critics are everywhere, at every seminar and conference session.
(I have been traveling, with more to traveling to come. You would think I could figure out some interesting things to write. But noooo. Not now.)