Sorry, but I can't see what the big beef is.
Some women have served close to combat for decades, many have been casualties even when not right on the forward edge of the battle area.
More important, women must volunteer, not only for the military, but also for combat jobs, and then must qualify by meeting all the requirements.
Those few who do will fall into the ancient tradition of the Greeks' Athena or the French Joan D'Arc:
If experience proves it to have been a mistake, adjustments will certainly be made.
Those registered with selective service, have their names in a pool from which are selected those that will be conscripted into the military, should they want to serve or not. Of course this is only in the event that a military draft is reinstated.
And here is the kicker, if a draft is reinstated, it's ‘cause things are not going well. Those being drafted are not going to support rolls. Those are already filled by people doing a competent job and who have gotten specialized training over a long period of time.
A draft is NOT to get people to fill these specialized support positions, a draft is to fill line infantry positions that open due to combat injury or death.
Don't be fooled, approval to draft women is approval to send your daughters, granddaughters, and nieces to the front lines, and all that that implies.