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.
Wolf's wool is the best wool, but it cannot be sheared, because the wolf will not comply. With knowledge as with wolves' surliness, the student studies voluntarily, refusing to be less than individual. He "gives his opinion and then rests upon it"; he renders service when there is no reward, and is too reclusive for some things to seem to touch him; not because he has no feeling but because he has so much.