Even still, they will go ahead with things which they're not 100% sure of.

If they work as they like, they remain the same.
If something is very wrong with a mechanic, it will get changed.

A lack of cooldown, results in gearing a lot quicker.
Is that better or worse for the game?
Depends on how you look at crafted items and how that fits in with raid drops or rated/arena items.