Any change even a change for the better is always accompanied by drawbacks and discomforts.
We shall never have more time. We have and always had all the time there...
You do have to change things as warfare changes.
I'm a believer in belief. Faith is something that works - it causes people to do things it has results. It's an intangible indefinable very real thing. And it moves people sometimes to atrocity. And sometimes to survival.