Yeap this thing needs to be nerfed hardcore.

Lets put this into perspective for a second.
Lets say me(DPS) and my team applies way more pressure than the opposing team. This in turn allows my Scholar to freely play the game.
Now lets say you (WHM/ASTRO) are already struggling as it is to keep your team alive and thus are running low on mana.
My scholar decides to spam Broil on you, as much as possible.

Technically as a DPS, I personally dont NEED to even kill the healer cause that would in turn reset your entire mana pool.
I can continuously kill your tank/DPS knowing you can barely squeeze out heals back to back. This allows me to snowball throughout the whole game.
While LOS is a very valid strategy to deal with Scholar. There are not enough mana regaining solutions to deal with the constant pressure of Broil and it makes a very unenjoyable experience for the losing team.

Broil is just not a fun concept