Actually, Jesus was illuminating something about the Passover Seder. He was illuminating to those with spiritual ears that He is the Passover Lamb to be sacrificed the next day and it is His blood which will be shed for the atonement, and His new covenant was what they had been prefiguring all those generations with the Passover Seder. That is what Jesus was illuminating, and those men there with Him understood that because they were alive in Him via their belief in Him, not by eating His flesh, which He had told them a year before would profit nothing if they ate His body and blood.
Douay-Rheims Bible
And Jesus said to them: I am the bread of life: he that cometh to me shall not hunger: and he that believeth in me shall never thirst. ( JOHN 6:35)
John 6:35 Jesus said to them, "I am the bread of life; he who comes to Me will not hunger, and he who believes in Me will never thirst.
John 1:14 And the Word became flesh, and dwelt among us, and we saw His glory, glory as of the only begotten from the Father, full of grace and truth.
Jeremiah 15:16 Your words were found and I ate them, And Your words became for me a joy and the delight of my heart; For I have been called by Your name, O LORD God of hosts.
Jesus is the embodiment of God's word. When He told us to eat His flesh He was talking about eating the word of God just as Jeremiah did. Only the carnally minded focus on the natural/physical flesh.
It matters not that cannibalism is forbidden in Scripture?
Oh??
When Christ says He is the Gate, He is clearly saying something about the nature of Christ and His relationship to us, because He is saying something about Himself. In the sentence "This is My Body," He is clearly saying something relational about the bread;
Don't complain that my remarks BOLDED are spin; if you cannot (or will not) apply the same rule to YOUR remarks.