Well I can't really understand why people complain so much about so little.
So he said only one line before he opened fire. So what?
Would it have been any better if he said 2? Or 3? Or 30 lines of nonsense? Would that seriously made your game experience any better?
I been shot at without a single line loads of times, and after one line more times. It's a space ship shooter game. People play it to shoot space ships.
And RP-wise, swiftly attacking before your target can get away is actually more realistic than being forced to say 10 lines of useless stuff before opening fire.