Originally Posted by
Allegor
Considering SCH even already has a spell that converts shield into raw healing, it's not like they can't make SCH [and likely Sage] a more shield oriented, if not strictly shield healer, I think they just don't want to in fear of people claiming it to be way too difficult to play proactively (even though that's how the job is set up to be played but let's hide under the casual scapegoats), not to mention potential balancing shenanigans that I myself are too casual to think.
Also, a small yet relevant thing to take into account is that Consolation is a lv 80 ability, so unless you're playing on the current raid tier [Eden, ex trials, Nier raids], you don't even have it, meanwhile AST has its entire shielding kit as early as 60