Although I realize that controversies surrounding Buddhism will be of limited interest to members of the group, this one may be much more interesting than you'd assume.
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In the Ambaṭṭha-sutta [DN #3] the Buddha debates with a Brahmin who is openly contemptuous of him; the Brahmin describes the Buddha as a bald-shaven man (…gotama muṇḍakā samaṇakā…) and as “black” like other members of…