I'm in the early game as humans and I get my first fleet admiral. So I look him over, and he's got all negative stats. Negative to maneuvering, negative to defense, and at least three other negatives. I dismissed him. Is there any reason to keep a character like this? Seems a bit of a waste to get a character that actually makes you worse.
In fact be happy he got so many skills, doesn't matter if they got negativ. After a few battles he learned alot and they are positive.
Its better then someone who just got 1 skill that is positive.
Actually it depends on whether they are negative skills, or negative traits. Skills will improve given time/experience but trait negatives with no skill component will never improve. I had an admiral in one game who was to hopeless to keep. Six -10 trait negatives, and one skill, hyperjump speed which was also -8. Okay, decades down the track he may have got the fleet moving a bit faster (after slowing it down all that time) but his targeting, counter-measures, damages, etc negatives were never going to go away. Clearly better off with no admiral than this character.