The main problem with these low lvl heals are that they m.crit, and because of +12 wit on da's and most of mages and toi6, baium tali, they m.crit very often, if you remove mcrit chance on them they will still be usefull but way less efficient, and not be substitute for main healers. In my opinion only cardinal heals should m. crit, this way no other class would be able to substituite a cardinal