hello, i have been playing sins diplomacy now for over a year and have discovered a couple issues which have carried over to rebellion
i play the TEC a lot, and occasionally the Vasari, i have become frustrated at the 'auto cast' function of many abilities, mainly the repair function of the TEC repair cruiser, the TEC repair station and the Vasari Reintegration ability
firstly i find the AI controlling when and where to use the autocast is pretty damn stupid, infact its downright insane, take this example encounter
i have a colony, its fully upgraded defensively, i have an argonov starbase, fully upgraded, weapons and hp/shield wise, i have 3 upto 6 repair stations based on size of planet and its tactical cap, and a few hangar bases and then the rest of my points are spent on gauss turrets, all of these additional tactical units are fully upgraded. an enemy fleet jumps in, there are some 40-50 ships in this fleet, a few capital ships. but mainly the mainline cruiser for race and a handful of support ships, the argonov seems to attract their main focus, and is engaging everything it can lock on with, the gause turrets are supporting, but their firepower lets be honest is crap, the argonov loses shields, and is taking hit point loss, the gause turrets, and other structures like research stations, trade ports and broadcast centers are taking secondary fire, WHAT DO THE REPAIR STATIONS/SHIPS DO, do they repair the argonov, the main target in the enemy attack, NO, do they repair any of the gauss turrets being hit, NO, do they hit any of the tactical structures taking hits, including other repair stations/ships nearby, NO, they repair the civilian structures first. this for me is outrageous, ok the common soldier might put civilian livelihoods ahead of other soldiers, its an honour thing, but when that argonov falls, to no support from the structures behind it, that were put there to support it, that colony is wiped out....are these AI choices deliberate, do i have to physically babysit every unit in my entire armada, every colony and tell it specifically what to do next, if so, why the hell do we have an autocast?
the list of stupid AI choices goes on, the Dunov Battlecruiser, shield restore, awesome ability but the cruiser would rather cast it on a 'expendable' ship like a javelin or one of those flimsy fast moving corvettes that came with rebellion than save a fellow capital ship from destruction i mean, do i want to risk losing a ship that costs 200 cash to buy or something that costs 3000 plus resources, plus potentially hours of grinding
i am a defensive orientated person, who doesnt believe in throwing an armada at the wolves cos i can just replace it, i like to have a fleet that can endure countless enemy assaults, colonies that just say "bring it on" but these units that are meant to be helping my survivablity just arent doing their jobs
the Vasari have their problems with self repair also, the reintegration ability, simply refuses to work, the autocast function is turned on, but the ships will constantly without fail if left unsupervised by me, to just simply die rather than self repair, i have to personally move from ship to ship telling each individual ship to use their ability, because they refuse to activiate it automatically, personally i think you should be able to set a damage % threshold that you want your ships to activate it, but thats your call (25%, 50%, 75% for example). i have noticed on the new Vasari capital ship, the repair nanites, just sit there and do nothing unless yet again you the player tell them to, even with their autocast enabled
and my last point, what is it with these AI's that think when i set the game to SMALL fleets, it just doesnt bother forming one, and sends over 500 ships in one armada at the same time to the same target, i mean, i want a challenge, but that is ridiculous powerplaying
i dont like the advent, so have not experienced issues with them, they can die for all i care 
please look into these issues, and do something about them
thanks for reading
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