not to forget that Jesus served the bread and wine to followers with a pronounce earthly kingdom hope, so did Jesus in a way, as the second Adam with everlasting life on earth as a certainty, that he was willing to sacrifice, and
he used language to match that hope, "drink of the fruit of the vine, sit on tables eating". see also question in Acts 1, 6,7. about earthly kingdom, not denied.
John 6 too points to using the metabolism to absorb symbolic flesh and blood for everlasting life, the new covenant for forgiveness of imperfection.
wt writers need a serious analytical bible reading program.