If a particular denomination allows women to be rabbis, and a particular woman meets that denomination’s definition of Jewish identity, then she can be a rabbi once she completes all the requisite training.
L’dor v’dor—“from generation to generation” is a central idea in Judaism and those confirmation portraits are shining, smiling, examples of that (occasionally with very dated hairstyles).
In Judaism, it’s never only about the text. Yes the Torah contains much of our rules and laws, but, in practice, our sages have expanded those rules beyond the few written words. Torah gives us the foundation.
Neal Schindler lists some possible threats to Judaism, from within and without. However, he wonders if Jews are too fixated on the idea of existential threat.