Quote Originally Posted by Draken View Post
And they don't. But that is a beta, it is meant to be mercurial, because they are still trying to find out what works and what don't. The WoL beta was exactly the same, and the metagame evolved overtime on that too (WoL's metagame changed quite a bit the last two years too).

It will happen again in LotV, I am positive it also happened during the transitions from Reign of Chaos to The Frozen Throne and from SC to Brood War. It's just how it works.
Actually, the WoL Beta was quite different. While I'll concede that some abilities and upgrades got removed up to the 18th patch, there weren't nearly as many larger changes such as "removing an entire unit" and "repurposing the same unit several times". Most of the changes were adjusting individual units in cost, supply, unit typing, etc. Of course those changes make a huge difference to the meta-game, but not on the same scale that they've done with the Widow Mine.