I think the entire Noahide concept was invented to sway unintelligent or weak Christians and others (those who are dull in mind but seeking God) away from Our Lord and into following foolishness.
Capt, what are you saying? That Genesis is allegorical/forged?
No, I am saying that the Noachide covenant, as pushed today, is a fraud.
Clearly, Noah played his role. He had a job to do. The Jews, who want us to follow Noah, openly disparage him as a drunkard and the Torah itself refers to him as a man of the Earth, which means he is not particularly spiritual. His role was to save his family and keep the human linage alive. Nothing more, nothing less.
The Noachide lineage lead to the Fathers in the Torah. The Torah was only put in place to prepare a place in this fallen world for Our Lord.
For us to reach back, at the behest of deniers of Christ, and follow Noachide rules is an act of supreme foolishness. It would be denying Christ.