I'm sorry if my words upset you. That said, it would be a shame to tell someone off if they bring up a good point (however brash). I used to teach this stuff, a

I'm sorry if my words upset you. That said, it would be a shame to tell someone off if they bring up a good point (however brash). I used to teach this stuff, and I can tell you many of my students would end up being more confused with your visualization. I hope you can see that you've assumed some responsibility. That's all I can hope.