It can, depending on what you do with it.
All I did was
1. Play Random, so that I could learn the general mechanics of all 3 races
2. Pick a standard composition (mech, bio, gateway, The Protoss Ball, Roach/Hydra) or a single unit to produce
3. Play heavy heavy macro, focusing on keeping money low and avoiding supply block or forgetting workers
4. Attack at 200/200
All I did was
1. Play Random, so that I could learn the general mechanics of all 3 races
2. Pick a standard composition (mech, bio, gateway, The Protoss Ball, Roach/Hydra) or a single unit to produce
3. Play heavy heavy macro, focusing on keeping money low and avoiding supply block or forgetting workers
4. Attack at 200/200