This.
We need something else absorption like to work with or the spec will forever hinge on how powerful PW:S is. If it's not powerful, the spec really isn't that different.
BUT, to be honest, even before the buff, people were still spamming PW:S. As soon as you have the mana, stopping damage before it happens is always the best way to go. Disc is the only healer than can "heal" even when there is no damage going out.