Originally Posted by
Elexia
Cure does scale, but it's also fairly low even at cap since cura is much better than cure at cap for example, thus you're more likely to see cura used over cure. It's also two sided: You also need content balance to be taken into consideration, but having scaled skills doesn't really mean tiered spells can't exist, they'd just have higher caps while making sure none of the previous ones are pretty much worthless to use.
Just like in XI, tier IV nukes are still powerful even though tier V have higher caps and can hit much, much harder at times so you'd still actually use both for a viable source of damage.