Andrew Groen, StarCraft journalist extraordinaire (among other things), writes about the fear and trepidations professional StarCraft II players possess about its expansion, Heart of the Swarm. Groen explains it as such:
For e-sports players, it can be something analogous to what Tiger Woods would have to deal with if the PGA suddenly decided that all the fairways on their golf courses were too long. Golfers who had gained an advantage in the past by having a long drive would lose that edge, and players with great putting and chipping skills would gain the upper hand.
That would likely never happen in golf, but for pro gamers it happens all the time. The courses they play on do change, and they’ll have to learn to use new types of clubs. Not everyone will be able to adapt.
It’s an interesting situation to be in.
Groen, Andrew. “For Pro StarCraft Players, Heart of the Swarm Means Fear of Failure” (Game|Life: March 12, 2013) <http://www.wired.com/gamelife/2013/03/heart-of-the-swarm/>.