If you understand that his main point was to push you to your limits then you might be able to overlook that. Everything he said and did was carefully crafted to elicit a response.
Some may have gotten' emotional, but a lot of times I think people are overestimating the reaction they manage to elicit from people. An exclamation mark and an offended smiley does not equal an actual distressing emotional state of mind, lol. But this might be just me, I don't know.