Cyrill of Alexandria
Just as food became detestable to the Israelites, so too will those who are drawn to the flesh and prefer the perishable and worldly over the heavenly sustenance found in God's Word face spiritual demise. This aligns with the scripture that says, 'He that soweth to his flesh shall reap corruption' (Galatians 6:8). The remedy for this affliction is clearly stated: 'do according to the Spirit, and ye shall not fulfil the desires of the flesh: for the flesh desireth contrary to the Spirit, and the Spirit contrary to the flesh: they are contrary one to another' (Galatians 5:16-17).
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Therefore, if the Israelites had chosen to find fulfillment in the manna—representing the divine bread of the angels and the sweetness bestowed by the Holy Spirit—they would have not indulged in the cravings of the flesh and would instead reap the rewards of incorruption.