Why would a new player be confused? The new player isn't going to know what's part of the job toolkit.
The irony is that always it's the higher level players who are ignorant about other jobs that start screaming for the RDM to rez a healer in low level dungeons.
If you are dying from something in a low level dungeon, that's a learn to play issue. Dungeons are designed for players to survive on what they have in their toolkits at the dungeon's level, not what's in the toolkit 30 levels later. Making those later abilities available would break the dungeon experience because you'd be nigh invincible.