D. Tradition, culture and religion

10 arguments in Part DIR.

Underlying question: Does custom justify it?
Dominant error: Logical (appeal to tradition and authority)

Appeal to tradition: the same phrase defended slavery and the subjugation of women

Selective cultural relativism: not applied to practices the person condemns

Uses those with no alternative to justify those who have one; veganism already says "as far as is possible and practicable"

Many traditions read dominion as stewardship; and it is a theological premise, not a public one

Appeal to authority; a historical context of necessity doesn't carry over

Appeal to popularity: popular isn't right

Legalistic fallacy: the law follows morality, with a delay

The bond is the gathering, not the animal

Anecdotal evidence and survivorship bias

Appeal to authority; many also defended human hierarchies we now reject