I think the real answer to the 'healer' conundrum is to just make a fun and engaging game without worrying what the jaded folk SAY they want or don't want.

But yes, healers in the Star Wars universe is possible. It's already in the lore in both medic form (healing after combat) and jedi form (application of Force Power). But really, if your enthusiasm is at nil, why would you even click through and comment on an article relating to this mmo?