I agree we must walk in the Spirit and believe the LORD Jesus Christ. The natural man does not understand the things revealed by the Spirit of the LORD; it appears as foolishness, such as arguing that Catholics, assuming the Catholic teaching is true, when receiving the Eucharist are violating the Torah, or Jesus violated the Torah in giving the teaching. Those points are akin to what the natural Jews in the text argued, and stumbled over.
When I read this I cannot help but think of a rotund pastor (not you) edifying his pious flock by preaching to them the error of the Jews grasping for bread, and then the emaciated figures of starving Jews and Gentiles enters my mind. Then I remember Jesus gave them "real food" and James tells us If a brother or sister be naked, and destitute of daily food, And one of you say unto them, Depart in peace, be ye warmed and filled; notwithstanding ye give them not those things which are needful to the body; what doth it profit?
, James, catholic chapter two, Protestant verses fifteen and sixteen, as authorized by King James.
As for the religious among us in the States, is there an epidemic sun of gluttony ? How often do we hear homilies or sermons about gluttony and obesity ? How often do we restrain ourselves by fasting ?
Firm Faith, Fat Body? Study Finds High Rate of Obesity among Religious