Blizzard: Exit automatically on game launch | Better performance on low-end PCs?

Watch the video:

0:00 - Explanation
0:42 - Setting to close Blizzard when game launches
1:24 - Blizzard closing on game launch
1:30 - Performance impact with Blizzard

The Blizzard launcher has a feature few others have. When you launch a game, the launcher can completely close, allowing you to claw back a tiny bit of performance. On really low-end computers, this small impact could mean a lot. If not, try it out for yourself.