Do not suffer to be hazed by the super-determinists unbiblical spoofing and hoaxing.
The predominant theme of Romans 9 is salvation by grace thru FAITH. Not of works.
Predicated by the fact that God's ELECT are those that RECEIVE Him (and prove their faith by obedience) not REJECT Him and are antagonistic to His plan of salvation.
The "children of the promise" are those who CLING TO THE COVENANT PROMISES in FAITH and obedience.
Rom 9:8
That is, They which are the children of the flesh, these
are not the children of God:
but the children of the promise are counted for the seed.
Rom 9:30
What shall we say then? That the Gentiles, which followed not after righteousness,
have attained to righteousness, even the righteousness which is of faith.
Rom 9:31
But Israel, which followed after the law of righteousness,
hath not attained to the law of righteousness.
Rom 9:32
Wherefore?
Because they sought it not by faith, but as it were by the works of the law. For they stumbled at that stumblingstone;
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There is much to be said about Romans 9,
and NONE of it has ANYTHING to do with Calvinistic super-deterministic dogma.