When discussing Romans 8:29 Calvinist’s will typically argue that a personal intimacy is in view.
Do you believe every single person’s life is valuable and worthy of being protected in the womb from the time they are conceived?
If non-Calvinists are wrong, what temporal or eternal harm have we really caused?
Calvinism teaches that God foreknows because He decreed that man would act a certain way, and thus man necessarily acts a certain way and God can be certain of that.
There is nothing contradictory nor deficient in understanding the biblical portrait of man’s knowledge being uncertain while God’s is certain