Of course some kind of balance is necessary, but it's not egalitarian balance, it's 'is this fun?' balance.

However it's clear that in general changes they are making are bug fixes, not balance changes. And as of the latest patch:

Originally Posted by Larian
hotfixes live:
-HP Bug on loading
-Changes to resistance cap that were supposed to be in the patch but did not make it in (zombie talent fix, can go over cap with potions and temporary effects)