[senkora]

People who have made a difficult personal sacrifice for their ideals often react poorly to that sacrifice becoming obsolete, and transform the now unnecessary sacrifice into a social marker.

In this case: meat is enjoyable, but eating it is unethical, so I will make the sacrifice not to eat it. If it becomes possible to eat meat while still being ethical, then I still won’t because it marks me as someone who is willing to make a sacrifice to be ethical.