And how was she supposed to get over that abuse?
If your father abused you since childhood, you wouldn't think "Man, I love my dad and nothing he ever says could be wrong!"
Obviously you'd question things. Especially when none of the cult is there to intimidate or pressure you.
Ashi dropped her goal because, in all honesty, there was no good reason she should've continued pursuing it.
And as for Jack, the whole purpose of the spiritual journey was to find the root of his frustrations.
Or did we really need more time spent to "Jack being sad?"
tl;dr Enough of this "rushed" meme because of something you don't get.