From last episode it seemed like the prime sentinels would be like TWD zombies, activated upon death but as we got the backstory the programmig can ...
Well, it seems he was not a nazi in this continuity. And if he invented the T-O virus (although this moment is unclear), then he provided the future...
I've seen complaints about the scene of the Bat family arguing and characters like Terry not having a ton of screen time but in fairness they weren't...