So if I decide to take control of varric my archer, my tank won't attack or do anything at all untill Solas gets attacked

I.e tank taunts enemy that attacks healer or rogue only attacks weak enemies or tank taunts all elite enemies?

You can set attacks and actions as "favorites" but it is nowhere near as expansive as being able to tell your mage "when I'm at 20% health, heal me" or telling your tank "Attack the enemy with the highest health".

Unless your tank is constantly throwing taunts(which is impossible, the cool downs are waaaay to slow

n’t want to spoil myself.

I haven't even killed a