I think a lot of the problems of this game, come from replacing good JA2 interrupt mechanic with nuXCOM overwatch shit.
For example, lack of interrupts means you can just run right to enemies faces on your turn and guarantee their deaths by spraying them from close range-> They had to nerf autofire because of that.
The longer I play the more I miss the old interrupts, even in vanilla JA2 the system was great at making up for the stupidity of the AI. If you were dealing with a room full of enemies, you had to get creative and make your entrance from the other side by breaking the wall with explosives, etc. because just opening the door and walking in resulted in x interrupt attacks to your face and guaranteed death, as it should be. Here, there are no interrupts, so you just open the door and walk into a room full of enemies and kill them all in one turn. Being able to just run wherever you want fully safe during your turn is such a massive decline. I think it's the root of most balance problems in JA3.
At least they could have enemies start using overwatch to set up ambushes, to make up for lack of interrupt, because right now a lot of them seem to be scripted to just sit in rooms and wait to be slaughtered, despite being alerted, with only ever placing overwatch on top of your characters, never using it preemptively or to deny certain approaches.
It's especially comical when you have Livewire and you can see enemy guys with her passive skill, just skipping their turns inside a room, never moving until they see you, even if they hear bullets and explosions. It seems to me that enemies scripted to patrol can approach your guys based on sounds/vision of their other teammates, but the ones scripted to stay in place, will stay completely frozen until you walk in their line of sight, no matter what. I had this in a prison map for example, where like 4 guys inside a room just refused to ever move despite me slaughtering everyone in the rooms next to them. If they set up an ambush, ran behind cover and pointed overwatch at the door, that could be cool and realistic, but watching them just sit there doing nothing, until I was kind enough to open the door, run to their faces and shot them to death, was such an unfun moment, idk if I'll be able to even force myself to finish it, probably gonna wait a couple of years for modders to fix it to give it another chance.