Tradition is a pretty terrible defense when the tradition in question has measurable, known harms. Luckily, most rational people would probably agree that ther

Tradition is a pretty terrible defense when the tradition in question has measurable, known harms. Luckily, most rational people would probably agree that there is a middle ground between "change nothing" and "eliminate the tradition". For example, cutting beef consumption to once a week or once a month would considerably lower your environmental impact without eliminating a valued tradition.