So it is always preferable to discuss the matter of veganism...

So it is always preferable to discuss the matter of veganism in a non-judgemental way. Remember that to most people, eating flesh or dairy and using animal products such as leather, wool, and silk, is as normal as breathing air or drinking water. A person who consumes dairy or uses animal products is not necessarily or usually what a recent and unpopular American president labelled an "evil doer.