7 Star Thrawn Mission is too hard

I've added some gear... It's worse! I've seen the videos with people beating it and I'm baffled. Thrawn is very inactive. Like I'm playing a different game. No reward is going to make up for the frustration and anger I get from this. The event is so unbalanced, is like it stops being agresive for different combinations. No advises are gonna change the behavior of the AI, unless I have a more powerful team and the AI just behaves erratic. Good luck supporting this kind of things in games free to play or not. What I'm afraid is the next time the event will come they'll make it harder again. I've seen a lot of people saying it's not harder, even knowing that the AI for Thrawn was umped after the first event. If next time we will need zetas to get the 7 stars, should I be legitimately upset or I will be considered unprepared, like a lot of folks are saying?