Direct Answer
Bercot suggests you gain simplicity and faithfulness to Scripture by affirming “this is my body…this is my blood” without forcing a mechanism, but you lose the sense of intellectual closure modern Christians often want. His point exposes how we may demand an explanation that fits “human reason or the material world” before we will accept and practice what Jesus said.
Support from Transcript:
Why do you think we often feel unsafe without a technical explanation? How might refusing to over-define communion protect you both from superstition and from reduction to a mere memorial?