I think balance is almost never a real reason for them. Its just your typical fall back response for things. With alot of people the word "because" is their response when they don't want to answer something or cant be bothered. With SE its "balance", even when what is being asked for, or denied, has nothing to do with balance or even worse, its unbalanced! Like right now, no balance involved in this, in fact if anything its unbalanced by limiting the options of potentially powerful weapons for jobs released at a later date.

We are not stupid players, we are smart, if we weren't we would have never found out half of the things we know about this game that SE never bothered to tell us in the 1st place. But for some reason we are never really explained why things can not be done, I would rather a somewhat lengthy response from a rep explaining what would be offset with Relics/Emps being added to these jobs, instead of just balance and leaving it at that.

Another word they like to use as a fall back seems to be "congestion" because when an event is limited to being a time sink what do we get as reasoning? Its to limit congestion, something we don't actually see in any events. The only event that could be considered congested is Abyssea, which is the most open of them all!