And where does getting all that skill in practicing lead?

To be able to actually see and behave and interact in the world as one is.

You do anyway, you might say, but at least after all that practicing you're paying attention as you're doing it.

It prepares you for the unwanted things that inevitably arise.

But takes a long time to master.  Or at least it's taken me a long time and I'm not nowhere near there yet.