Does Mark make a historical blunder regarding the ritual of Jewish handwashing?

Critics love to say the gospels aren’t trustworthy because they’re full of historical blunders. One such alleged error that often gets brought up is that Mark goofs regarding ritual purification, namely the Jewish custom of handwashing. Here’s biblical critic Bart Ehrman: “Their ignorance of Palestinian geography and Jewish customs suggests they composed their works somewhere else in the empire…Mark 7:3 indicates that the Pharisees ‘and all the Jews’ washed their hands before eating, so as to observe ‘the tradition of the elders.’ This is not true: most Jews did not engage in this ritual.” Jesus, Interrupted p 287 Bart has a point. If you read the Mosaic law, this was to be practiced by the … Read more