Sorry if this sounds like a "Git Gud" post, it isnt intended. There is a challenge in how to make the interface work the way you want. Esti--Einstein really isn't too tough to heal, I haven't seen him die personally, having levelled 2 healers and a tank (and gone back in to help others). Wipes in that fight always seem to be because either
a)DPS aren't breaking the healer out of the glowy tower of doomness
or b) DPS didn't get the adds down in time for Einstein to shield us all from the bosses AoE.

I have full-on forgotten about Einstein for periods and then panicked, turned to him and realized he was barely hurt. The only time his damage is noteworthy is during the adds phase, and I haven't done this as SCH but I found that DPS-ing was more practical than healing him (when he was at a safe HP) as WHM and AST. Admittedly when he's already low he can be difficult to pick back up, so I don't let him get low (the SCH speciality), so this tells me your issue really is with targeting. I'd recommend taking a look at your settings and figuring out a way to make it work for you, I personally use targeting filters. I highly recommend this guide if you're finding it difficult: http://www.ffxivrealm.com/guides/con...-targeting.71/