Of course, idling your engine while high up, then yelling deadstick is a good way to eliminate some of the competition. Everyone will meet on the way to your streamer
Just kidding, of course, but it is true that you have to watch out when diving on a late launcher or plane with engine trouble, since everyone else has the same idea you do. I've had my worst head-on midairs while chasing one plane and not seeing the other guy who is also also chasing my target.