It's another example of people playing the game in ways they never did before.
I don't even have that strong of feelings about it, but it is/is going to be so unbalancing to the economy that it'd be less of a change from vanilla to nerf it than to have every item cost 10x what it should.
And as the youtube videos pile up it's only going to become more common.
Possible options:
--Nothing (I view this as extremely unlikely if people are actually pulling 300-400 gold/hour out of ZG)
--They'll make crocolisks and tigers leash
--They'll make crocolisks and tigers run faster
--They'll make crocolisks and tigers path differently
--They'll throw some axe-throwers in
--They'll nerf the gold off them
--They'll make the lockouts BWL style where the trash stays dead