Just wondering why this game doesn't have a target through target option you can tick on. Is there anyway this can be added?

It seems crazy to me that I have to make a bunch of macros to try and imitate its function.

By default any damage spell or attack skill used when an ally is targeted should automatically attack his target. Similarly any heal cast on the enemy should by default heal its target rather than myself.

This is how it works in a lot of other mmos and I was surprised there was no option here.
The alternative to this could be an offense a d defense target box which was a brilliant idea vanguard had, but I will settle for the simple functionality of the above method.

For healing you cannot even imitate the above because as soon as the game considers an invalid target it insists on healing you.