Christian ridicule of food taboos reflected real Muslim popular practice

Evidence

The prohibition of certain foods, particularly pig, and of wine, in certain writers gave rise to picturesque or curious legends to explain their origins. Here the interest of Christians only reflects the popular practice of Muslims; some food prohibitions, notably that of swine’s flesh, have always been taken very seriously by Islam; and the customs of the populace have given circumcision an importance that Muhammad never did. — Norman Daniel, Islam and the West, 1268

Categorization

• QUESTION: Check whether the ‘muslims give circumcision importance Muhammad never did’ point is historiographically current, and what the evidence of Muhammad’s own stance on circumcision actually supports.